Vulnerability Details : CVE-2021-45469
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.
Products affected by CVE-2021-45469
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45469
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45469
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-45469
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45469
-
https://bugzilla.kernel.org/show_bug.cgi?id=215235
215235 – page fault in f2fs_setxattr() when mount and operate on corrupted imageExploit;Issue Tracking;Patch;Vendor Advisory
-
https://www.debian.org/security/2022/dsa-5096
Debian -- Security Information -- DSA-5096-1 linuxThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QG7XV2WXKMSMKIQKIBG5LW3Y3GXEWG5Q/
[SECURITY] Fedora 35 Update: kernel-5.15.12-200.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
[SECURITY] [DLA 2941-1] linux-4.19 security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AK2C4A43BZSWATZWFUHHHUQF3HPIALNP/
[SECURITY] Fedora 34 Update: kernel-5.15.12-100.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/12/25/1
oss-security - CVE-2021-45469: Linux kernel: an out-of-bounds memory access in fs/f2fs/xattr.c __f2fs_setxattrMailing List;Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=5598b24efaf4892741c798b425d543e4bed357a1
kernel/git/chao/linux.git - Chao Kernel TreeExploit;Patch;Vendor Advisory
-
https://www.debian.org/security/2022/dsa-5050
Debian -- Security Information -- DSA-5050-1 linuxThird Party Advisory
-
https://security.netapp.com/advisory/ntap-20220114-0003/
January 2022 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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