Vulnerability 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.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.15.11 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 9.0 |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
| Netapp | H500E | - |
| Netapp | H700E Firmware | - |
| Netapp | H700E | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/12/25/1Mailing ListThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=215235ExploitIssue TrackingPatch
- https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=ExploitPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20220114-0003/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5050Third Party Advisory
- https://www.debian.org/security/2022/dsa-5096Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/12/25/1Mailing ListThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=215235ExploitIssue TrackingPatch
- https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=ExploitPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-45469?
CVE-2021-45469 is a vulnerability with a CVSS score of 7.8 (HIGH). 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.
How severe is CVE-2021-45469?
CVE-2021-45469 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-45469?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora, Debian Debian Linux, Netapp H410C Firmware, Netapp H410C.