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CVE-2022-1048

Published: 25 March 2022

A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.

From the Ubuntu security team

Hu Jiahui discovered that multiple race conditions existed in the Advanced Linux Sound Architecture (ALSA) framework, leading to use-after-free vulnerabilities. A local attacker could use these to cause a denial of service (system crash) or possibly execute arbitrary code.

Priority

Medium

CVSS 3 base score: 7.0

Status

Package Release Status
linux-azure-5.11
Launchpad, Ubuntu, Debian
focal Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
xenial
Released (4.15.0-1134.150~16.04.2)
trusty Does not exist

bionic Ignored
(superseded by linux-gcp-5.3)
upstream
Released (5.18~rc1)
impish Ignored
(reached end-of-life)
focal
Released (5.4.0-1086.94)
jammy
Released (5.15.0-1006.9)
linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
xenial
Released (4.15.0-191.202~16.04.1)
trusty Does not exist

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

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
focal Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
xenial Ignored
(was needed ESM criteria)
trusty Does not exist

upstream
Released (5.18~rc1)
impish Ignored
(reached end-of-life)
focal
Released (5.4.0-1073.78)
jammy
Released (5.15.0-1008.8)
bionic
Released (4.15.0-1125.130)
linux-lts-xenial
Launchpad, Ubuntu, Debian
trusty Ignored
(was needed ESM criteria)
xenial Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
trusty Does not exist

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

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-oem-5.10
Launchpad, Ubuntu, Debian
focal Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
focal Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
focal Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
xenial
Released (4.15.0-1104.115~16.04.1)
trusty Does not exist

upstream
Released (5.18~rc1)
impish Ignored
(reached end-of-life)
jammy
Released (5.15.0-1007.9)
bionic
Released (4.15.0-1104.115)
focal
Released (5.4.0-1081.89)
linux-oracle-5.11
Launchpad, Ubuntu, Debian
focal Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-riscv-5.11
Launchpad, Ubuntu, Debian
focal Ignored
(was needs-triage now end-of-life)
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux
Launchpad, Ubuntu, Debian
trusty Ignored
(was needed ESM criteria)
xenial Ignored
(was needed ESM criteria)
bionic
Released (4.15.0-191.202)
focal
Released (5.4.0-124.140)
impish Ignored
(reached end-of-life)
upstream
Released (5.18~rc1)
jammy
Released (5.15.0-35.36)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 92ee3c60ec9fe64404dc035e7c41277d74aa26cb
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by dca947d4d26dbf925a64a6cfb2ddbc035e831a3d
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 3c3201f8c7bb77eb53b08a3ca8d9a4ddc500b4c0
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 69534c48ba8ce552ce383b3dfdb271ffe51820c3
linux-hwe-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

bionic
Released (5.4.0-124.140~18.04.1)
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
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

focal Ignored
(was needed now end-of-life)
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
Released (5.18~rc1)
jammy Does not exist

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
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic
Released (5.4.0-1083.90~18.04.1)
focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

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

upstream
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(was needed now end-of-life)
impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

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

xenial
Released (4.15.0-1139.150~16.04.1)
bionic Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

linux-azure
Launchpad, Ubuntu, Debian
trusty
Released (4.15.0-1149.164~14.04.1)
bionic Ignored
(superseded by linux-azure-5.3)
focal
Released (5.4.0-1089.94)
impish Ignored
(reached end-of-life)
upstream
Released (5.18~rc1)
xenial
Released (4.15.0-1149.164~16.04.1)
jammy
Released (5.15.0-1008.9)
linux-azure-4.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

bionic
Released (4.15.0-1149.164)
upstream
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

focal Does not exist

impish Does not exist

bionic
Released (5.4.0-1089.94~18.04.1)
upstream
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

impish Does not exist

focal Ignored
(was needed now end-of-life)
upstream
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

impish Does not exist

focal
Released (5.4.0-1089.94+cvm1.2)
upstream
Released (5.18~rc1)
jammy
Released (5.15.0-1008.9)
linux-bluefield
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

focal
Released (5.4.0-1044.49)
upstream
Released (5.18~rc1)
jammy Not vulnerable

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

xenial Does not exist

focal Does not exist

impish Does not exist

bionic
Released (4.15.0-1051.56)
upstream
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
xenial Ignored
(was needed ESM criteria)
jammy Does not exist

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

xenial Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

bionic
Released (4.15.0-1134.150)
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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

focal Does not exist

impish Does not exist

bionic
Released (5.4.0-1086.94~18.04.1)
upstream
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

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

upstream
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

focal Ignored
(was needed now end-of-life)
impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

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

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

impish Does not exist

upstream
Released (5.18~rc1)
focal
Released (5.4.0-1080.86)
jammy
Released (5.15.0-1006.7)
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
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

focal Does not exist

impish Does not exist

bionic
Released (5.4.0-1080.86~18.04.1)
upstream
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Not vulnerable
(5.15.0-1001.2)
focal
Released (5.4.0-1051.54)
linux-gkeop-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

bionic
Released (5.4.0-1051.54~18.04.1)
upstream
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

impish Does not exist

focal
Released (5.4.0-1031.35)
upstream
Released (5.18~rc1)
jammy
Released (5.15.0-1005.5)
linux-ibm-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

bionic
Released (5.4.0-1031.35~18.04.1)
upstream
Released (5.18~rc1)
jammy Does not exist

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
Released (5.18~rc1)
jammy 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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

bionic
Released (5.4.0-1081.89~18.04.1)
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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

focal Ignored
(was needed now end-of-life)
linux-oem-5.14
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal
Released (5.14.0-1033.36)
impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

upstream
Released (5.18~rc1)
jammy
Released (5.15.0-1011.13)
impish Ignored
(reached end-of-life)
focal
Released (5.4.0-1068.78)
linux-raspi2
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Ignored
(end of standard support)
focal Ignored
(replaced by linux-raspi)
impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

bionic
Released (4.15.0-1117.125)
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
Released (5.18~rc1)
jammy Does not exist

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

xenial Does not exist

focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

bionic
Released (5.4.0-1068.78~18.04.1)
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
Released (5.18~rc1)
jammy
Released (5.15.0-1012.13)
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
Released (5.18~rc1)
jammy Does not exist

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

xenial Ignored
(end of standard support)
focal Does not exist

impish Does not exist

upstream
Released (5.18~rc1)
jammy Does not exist

bionic
Released (4.15.0-1135.145)
linux-aws
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-1139.150)
focal
Released (5.4.0-1083.90)
trusty Ignored
(was needed ESM criteria)
upstream
Released (5.18~rc1)
jammy
Released (5.15.0-1009.11)
xenial Not vulnerable
(CONFIG_SND not enabled)
impish Ignored
(reached end-of-life)
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
Released (5.15.0-35.36)
upstream
Released (5.18~rc1)
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
Released (5.17.0-1004.4)
upstream
Released (5.18~rc1)
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

upstream
Released (5.18~rc1)
jammy
Released (5.15.0-1008.11)
linux-intel-iotg-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Pending
(5.15.0-1008.11~20.04.1)
impish Does not exist

jammy Does not exist

upstream
Released (5.18~rc1)
linux-hwe-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

focal
Released (5.15.0-41.44~20.04.1)
upstream
Released (5.18~rc1)
linux-lowlatency-hwe-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

focal
Released (5.15.0-42.45~20.04.1)
upstream
Released (5.18~rc1)
linux-aws-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

jammy Does not exist

upstream
Released (5.18~rc1)
focal Not vulnerable
(5.15.0-1014.18~20.04.1)
linux-gcp-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.15.0-1006.9~20.04.1)
jammy Does not exist

upstream
Released (5.18~rc1)
linux-gke-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.15.0-1011.14~20.04.1)
jammy Does not exist

upstream
Released (5.18~rc1)
linux-azure-5.15
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Pending
(5.15.0-1008.9~20.04.1)
jammy Does not exist

upstream
Released (5.18~rc1)