CVE-2023-32256

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
redhatCNA
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:H
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
vulnerable
bullseye (security)
vulnerable
bookworm
6.1.137-1
fixed
bookworm (security)
6.1.140-1
fixed
trixie (security)
6.12.31-1
fixed
sid
6.12.38-1
fixed
trixie
6.12.38-1
fixed
Common Weakness Enumeration
References
https://access.redhat.com/security/cve/CVE-2023-32256
https://bugzilla.redhat.com/show_bug.cgi?id=2385885
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=abcc506a9a71976a8b4c9bf3ee6efd13229c1e19
https://www.zerodayinitiative.com/advisories/ZDI-23-704/