Out-of-bounds Read Affecting linux-4.19 package, versions <4.19.232-1~deb9u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.08% (38th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-2420587
  • published24 Dec 2021
  • disclosed23 Dec 2021

Introduced: 23 Dec 2021

CVE-2021-45469  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.232-1~deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.19 package and not the linux-4.19 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

In __f2fs_setxattr in fs/f2fs/xattr.c in the Linux kernel through 5.15.11, there is an out-of-bounds memory access when an inode has an invalid last xattr entry.

CVSS Base Scores

version 3.1