CVE-2021-45469
HIGH
7.8
CVSS Score
Published: December 23, 2021 at 06:45 PM UTC
Updated: June 17, 2026 at 04:13 AM UTC
19 products affected across 4 vendorsLinux KernelDebian LinuxFedora
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Severity
HIGH7.8
Exploit prediction
EPSS 0.6%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v ≤ 5.15.11
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- 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.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://www.debian.org/security/2022/dsa-5050
References (9)
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/12/25/1x_refsource_MISCExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://bugzilla.kernel.org/show_bug.cgi?id=215235x_refsource_MISCExploitPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=5598b24efaf4892741c798b425d543e4bed357a1Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.htmlVendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AK2C4A43BZSWATZWFUHHHUQF3HPIALNP/Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QG7XV2WXKMSMKIQKIBG5LW3Y3GXEWG5Q/x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20220114-0003/Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2022/dsa-5050CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-125
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