Vulnerability in Linux Kernel
CVE-2022-47941
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 (Patch, Mailing List, Vendor Advisory)
- github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2022/12/23/10 (Mailing List, Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-1687/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-47941?
- CVE-2022-47941 is a high-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2022-12-23.
- How severe is CVE-2022-47941?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-47941 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.