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CVE-2020-10742

Published: 2 June 2021

A flaw was found in the Linux kernel. An index buffer overflow during Direct IO write leading to the NFS client to crash. In some cases, a reach out of the index after one memory allocation by kmalloc will cause a kernel panic. The highest threat from this vulnerability is to data confidentiality and system availability.

Notes

AuthorNote
sbeattie
reproducer in Red Hat bug 1824270.
Priority

Medium

CVSS 3 base score: 6.0

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.13.0-16.19)
eoan Not vulnerable
(5.0.0-13.14)
focal Not vulnerable
(5.4.0-9.12)
precise Ignored
(was needs-triage ESM criteria)
trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.2.0-16.19)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 91f79c43d1b54d7154b118860d81b39bad07dfff
linux-aws
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1001.1)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1005.5)
precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.4.0-1001.10)
linux-aws-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1016.17~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

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

eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.15.0-1030.31~16.04.1)
linux-azure
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1006.6)
precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.11.0-1009.9)
linux-azure-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1082.92)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1007.8~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

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

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1005.5)
precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.10.0-1004.4)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1071.81)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1008.9~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

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

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-gke-4.15
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1030.32)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1011.11~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1011.12~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-13.14~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.8.0-36.36~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Ignored
(was needs-triage now end-of-life)
linux-kvm
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.2)
eoan Not vulnerable
(5.0.0-1004.4)
focal Not vulnerable
(5.4.0-1004.4)
precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.4.0-1004.9)
linux-lts-trusty
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

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

upstream
Released (3.16~rc1)
xenial Does not exist

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

eoan Does not exist

focal Does not exist

precise Does not exist

trusty Ignored
(was needs-triage ESM criteria)
upstream
Released (3.16~rc1)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1002.3)
eoan Not vulnerable
(4.15.0-1035.40)
focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Ignored
(was needs-triage now end-of-life)
linux-oem-5.6
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Not vulnerable
(5.6.0-1007.7)
precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.0.0-1010.11)
eoan Not vulnerable
(5.0.0-1010.11)
focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.15.0-1007.9)
eoan Not vulnerable
(4.15.0-1011.13)
focal Not vulnerable
(5.4.0-1005.5)
precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.15.0-1007.9~16.04.1)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
bionic Ignored
(was needs-triage now end-of-life)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1011.12~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

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

eoan Does not exist

focal Not vulnerable
(5.4.0-1007.7)
precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.13.0-1005.5)
eoan Not vulnerable
(5.0.0-1006.6)
focal Ignored
(was needs-triage now end-of-life)
precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.2.0-1013.19)
linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(5.3.0-1017.19~18.04.1)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

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

eoan Does not exist

focal Not vulnerable
(5.4.0-24.28)
precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.4.0-1077.82)
eoan Does not exist

focal Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (3.16~rc1)
xenial Not vulnerable
(4.4.0-1013.15)