High severity8.8NVD Advisory· Published Dec 23, 2022· Updated Jun 17, 2026

CVE-2022-47942

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=5.15,<5.15.62
- (no CPE)range: 5.15 - 5.19 (before 5.19.2)
Linux/Ksmbdcpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 5.15 - 5.19 (before 5.19.2)

Patches

Vulnerability mechanics

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdMailing ListPatchThird Party AdvisoryVendor Advisory
github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7nvdPatchThird Party Advisory
www.openwall.com/lists/oss-security/2022/12/23/10nvdMailing ListThird Party Advisory
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2nvdMailing ListThird Party AdvisoryVendor Advisory
www.zerodayinitiative.com/advisories/ZDI-22-1688/nvdThird Party AdvisoryVDB Entry

News mentions

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