Use After Free in Linux Kernel
CVE-2023-1611
A use-after-free flaw was found in btrfs_search_slot in fs/btrfs/ctree.c in btrfs in the Linux Kernel.This flaw allows an attacker to crash the system and possibly cause a kernel information lea
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (14.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Linux Kernel — versions 2.6.12, 6.3
- Fedoraproject Fedora — versions 36, 37
- Kernel
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lore.kernel.org/linux-btrfs/35b9a70650ea947387cf352914a8774b4f7e8a6f.1679481128…
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2023/05/msg00005.html (mailing-list, Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/2f1a6be12ab6c8470d5776e68644726c94257c54 (Patch)
Frequently asked questions
- What is CVE-2023-1611?
- CVE-2023-1611 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 6.3/10. Published 2023-04-03.
- How severe is CVE-2023-1611?
- Medium severity. CVSS v3 base score is 6.3 out of 10.