Out-of-bounds Read in Linux Kernel
CVE-2022-47938
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.600 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.600 · newest: 0.600 · 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/824d4f64c20093275f72fc8101394d75ff6a249e (Patch, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-1689/ (VDB Entry, Third Party Advisory)
- www.openwall.com/lists/oss-security/2022/12/23/10 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-47938?
- CVE-2022-47938 is a medium-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2022-12-23.
- How severe is CVE-2022-47938?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-47938 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.