CVE-2022-4379
HIGH
7.5
CVSS Score
Published: January 10, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:20 AM UTC
3 products affected across 3 vendorsLinux KernelFedoraKernel
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Severity
HIGH7.5
Exploit prediction
EPSS 7%
SSVC
No known exploit
Description
A use-after-free vulnerability was found in __nfs42_ssc_open() in fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to conduct a remote denial
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
5.11 ≤ v < 5.15.1055.16 ≤ v < 6.1.35.6 ≤ v < 5.10.177
Affected range stops below 5.10.177, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.15.105, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.1.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75333d48f92256a0dec91dbf07835e804fc411c0
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aeba12b26c79fc35e07e511f692a8907037d95da
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LECFVUHKIRBV5JJBE3KQCLGKNYJPBRCN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RAVD6JIILAVSRHZ4VXSV3RAAGUXKVXZA/
References (7)
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlVendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LECFVUHKIRBV5JJBE3KQCLGKNYJPBRCN/Vendor AdvisoryMailing ListThird Party Advisory
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RAVD6JIILAVSRHZ4VXSV3RAAGUXKVXZA/Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20230223-0004/SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.5HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-416
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