smb: client: fix potential UAF in smb2_is_valid_oplock_break()
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.6%
exploitation probability
0.6%top 53% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/21fed37d2bdcde33453faf61d3d4d96c355f04bdhttps://git.kernel.org/stable/c/22863485a4626ec6ecf297f4cc0aef709bc862e4https://git.kernel.org/stable/c/3dba0e5276f131e36d6d8043191d856f49238628https://git.kernel.org/stable/c/84488466b7a69570bdbf76dd9576847ab97d54e7https://git.kernel.org/stable/c/a710ef9e974f18232d2b9b19c90eda1a1167b2d4