Description
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.
References (5)
Core 5
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/23/10
Mailing List, Patch, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4f64c20093275f72fc8101394d75ff6a249e
Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249e
Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-1689/
Scores
CVSS v3
6.5
EPSS
0.0459
EPSS Percentile
89.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
linux/linux_kernel
5.15 - 5.19.2
Published
Dec 23, 2022
Tracked Since
Feb 18, 2026