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Vulnerability · Published Dec 23, 2021 · Assigned by mitre

CVE-2021-45469

High 7.8

In plain English

A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.6%top 52.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.15.15-1DEBIAN-CVE-2021-45469
Debian:13linux5.15.15-1DEBIAN-CVE-2021-45469
Debian:14linux5.15.15-1DEBIAN-CVE-2021-45469
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-45469
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-45469
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-45469

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References