Critical severity · published May 19, 2024
CVE-2024-35865
smb: client: fix potential UAF in smb2_is_valid_oplock_break()
9.8
CVSS
0.6%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix potential UAF in smb2_is_valid_oplock_break()
Skip sessions that are being teared down (status == SES_EXITING) to
avoid UAF.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 6.1.85; 6.2 before 6.6.26; 6.7 before 6.8.5; 6.9; 6.9 · source: NVD
LI
Linux · Linux
7f48558e6489d032b1584b0cc9ac4bb11072c034 before a710ef9e974f18232d2b9b19c90eda1a1167b2d4; 7f48558e6489d032b1584b0cc9ac4bb11072c034 before 84488466b7a69570bdbf76dd9576847ab97d54e7; 7f48558e6489d032b1584b0cc9ac4bb11072c034 before 21fed37d2bdcde33453faf61d3d4d96c355f04bd; 7f48558e6489d032b1584b0cc9ac4bb11072c034 before 3dba0e5276f131e36d6d8043191d856f49238628; 7f48558e6489d032b1584b0cc9ac4bb11072c034 before 22863485a4626ec6ecf297f4cc0aef709bc862e4; a67172a013953664b1dad03c648200c70b90506c; +2 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-35865
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-35865
Patch
https://git.kernel.org/stable/c/21fed37d2bdcde33453faf61d3d4d96c355f04bd
Patch
https://git.kernel.org/stable/c/22863485a4626ec6ecf297f4cc0aef709bc862e4
Patch
https://git.kernel.org/stable/c/3dba0e5276f131e36d6d8043191d856f49238628
Patch
https://git.kernel.org/stable/c/84488466b7a69570bdbf76dd9576847ab97d54e7
git.kernel.org
https://git.kernel.org/stable/c/a710ef9e974f18232d2b9b19c90eda1a1167b2d4
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