by Kastro
Paper/Archive/CVE-2024-35863

CVE-2024-35863

Linux Linux — smb: client: fix potential UAF in is_valid_oplock_break()

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 51.7.517 × 2010.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in is_valid_oplock_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

Affected

ProductAffectedFixed inSource
Linux7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 494c91e1e9413b407d12166a61b84200d4d54fac494c91e1e9413b407d12166a61b84200d4d54facCNA
Linux7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 0a15ba88a32fa7a516aff7ffd27befed5334dff20a15ba88a32fa7a516aff7ffd27befed5334dff2CNA
Linux7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 16d58c6a7db5050b9638669084b63fc05f95182516d58c6a7db5050b9638669084b63fc05f951825CNA
Linux7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 69ccf040acddf33a3a85ec0f6b45ef84b0f7ec2969ccf040acddf33a3a85ec0f6b45ef84b0f7ec29CNA
Linuxa67172a013953664b1dad03c648200c70b90506c–CNA
Linux3.12.48 – < 3.133.13CNA
Linux3.13–CNA

Scores by source

Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refgit.kernel.org/stable/c/494c91e1e9413b407d12166a61b84200d4d54facrefgit.kernel.org/stable/c/0a15ba88a32fa7a516aff7ffd27befed5334dff2refgit.kernel.org/stable/c/16d58c6a7db5050b9638669084b63fc05f951825refgit.kernel.org/stable/c/69ccf040acddf33a3a85ec0f6b45ef84b0f7ec29