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CVE-2022-1184

Published: 29 August 2022

A use-after-free flaw was found in fs/ext4/namei.c:dx_insert_block() in the Linux kernel’s filesystem sub-component. This flaw allows a local attacker with a user privilege to cause a denial of service.

Notes

AuthorNote
sbeattie
not clear if the first two commits are related to this
CVE or are some other issue.
Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

trusty Ignored
(was needs-triage ESM criteria)
xenial Ignored
(was needs-triage ESM criteria)
kinetic Needs triage

Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 46c116b920ebec58031f0a78c5ea9599b0d2a371
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 3ba733f879c2a88910744647e41edeefbc0d92b2
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 65f8ea4cd57dbd46ea13b41dc8bac03176b04233
linux-hwe
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Ignored
(replaced by linux-hwe-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

xenial Ignored
(was needs-triage ESM criteria)
kinetic Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-hwe-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.11)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-hwe-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-hwe-5.13)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-hwe-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(superseded by linux-hwe)
bionic Ignored
(superseded by linux-hwe-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
xenial Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

trusty Ignored
(was needs-triage ESM criteria)
kinetic Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Needs triage

focal Needs triage

impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

xenial Ignored
(was needs-triage ESM criteria)
kinetic Needs triage

linux-aws
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

trusty Ignored
(was needs-triage ESM criteria)
xenial Ignored
(was needs-triage ESM criteria)
kinetic Needs triage

linux-aws-5.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-aws-5.3)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-aws-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-aws-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-aws-5.11)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-aws-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-aws-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

xenial Ignored
(was needs-triage ESM criteria)
kinetic Does not exist

linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(superseded by linux-azure-5.3)
focal Needs triage

impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

trusty Ignored
(was needs-triage ESM criteria)
xenial Ignored
(was needs-triage ESM criteria)
kinetic Needs triage

linux-azure-4.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-azure-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-azure-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-azure-5.11)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-azure-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-azure-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-azure-fde
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Needs triage

kinetic Does not exist

linux-bluefield
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-dell300x
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-azure-5.3)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(out of standard support)
bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Ignored
(superseded by linux-gcp-5.3)
focal Needs triage

impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

xenial Ignored
(was needs-triage ESM criteria)
kinetic Needs triage

linux-gcp-4.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-gcp-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gcp-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-gcp-5.11)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gcp-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-gcp-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gke
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(reached end of standard support)
bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Needs triage

kinetic Does not exist

linux-gke-4.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-gke-5.3)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-gke-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gke-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Needs triage

kinetic Does not exist

linux-gkeop-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-ibm
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Needs triage

kinetic Needs triage

linux-ibm-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Needs triage

focal Needs triage

impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

xenial Ignored
(was needs-triage ESM criteria)
kinetic Needs triage

linux-oracle-5.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-oracle-5.3)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-oracle-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-oracle-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-oracle-5.11)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-oracle-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-oracle-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-oem
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(superseded by linux-hwe)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-oem-5.10
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-oem-5.14
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

kinetic Needs triage

linux-raspi2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(end of standard support)
bionic Needs triage

focal Ignored
(replaced by linux-raspi)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-raspi2-5.3
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-raspi-5.4)
focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-raspi-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-riscv
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.8)
impish Ignored
(reached end-of-life)
upstream Needs triage

jammy Needs triage

kinetic Needs triage

linux-riscv-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Ignored
(superseded by linux-riscv-5.11)
impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-riscv-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

focal Ignored
(was needs-triage now end-of-life)
kinetic Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(end of standard support)
bionic Needs triage

focal Does not exist

impish Does not exist

upstream Needs triage

jammy Does not exist

kinetic Does not exist

linux-lowlatency
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

jammy Needs triage

upstream Needs triage

kinetic Needs triage

linux-oem-5.17
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

jammy Needs triage

upstream Needs triage

kinetic Needs triage

linux-intel-iotg
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

jammy Needs triage

upstream Needs triage

kinetic Does not exist

linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

impish Does not exist

jammy Does not exist

upstream Needs triage

kinetic Does not exist

linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

upstream Needs triage

kinetic Does not exist

linux-hwe-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

upstream Needs triage

kinetic Does not exist

linux-aws-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

upstream Needs triage

focal Needs triage

kinetic Does not exist

linux-gcp-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

upstream Needs triage

kinetic Does not exist

linux-gke-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

upstream Needs triage

kinetic Does not exist

linux-azure-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

upstream Needs triage

kinetic Does not exist

linux-oracle-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

upstream Needs triage

kinetic Does not exist

linux-azure-fde-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Needs triage

jammy Does not exist

kinetic Does not exist

upstream Needs triage