What’s Vulnerable › Vulnerabilities

CVE-2021-45469

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-23 · updated 2026-06-17
• Weakness: CWE-125

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 products

• Debian Linux: 9.0, 10.0, 11.0
• Fedoraproject Fedora: 34, 35
• Linux kernel: through 5.15.11
• NetApp H300E Firmware: all versions
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500E Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H700E Firmware: all versions
• NetApp H700S Firmware: all versions

References

• http://www.openwall.com/lists/oss-security/2021/12/25/1
• https://bugzilla.kernel.org/show_bug.cgi?id=215235
• https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=5598b24efaf4892741c798b425d543e4bed357a1
• https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AK2C4A43BZSWATZWFUHHHUQF3HPIALNP/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QG7XV2WXKMSMKIQKIBG5LW3Y3GXEWG5Q/
• https://security.netapp.com/advisory/ntap-20220114-0003/
• https://www.debian.org/security/2022/dsa-5050
• https://www.debian.org/security/2022/dsa-5096
• http://www.openwall.com/lists/oss-security/2021/12/25/1
• https://bugzilla.kernel.org/show_bug.cgi?id=215235
• https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=5598b24efaf4892741c798b425d543e4bed357a1

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