Use After Free in Linux Kernel
CVE-2018-14611
An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.025 (84.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: -0.000
Affected products
- Linux Kernel
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/104917 (VDB Entry, Third Party Advisory, vdb-entry)
- bugzilla.kernel.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- patchwork.kernel.org/patch/10503099/ (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/03/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/3932-1/ (vendor-advisory)
- usn.ubuntu.com/3932-2/ (vendor-advisory)
- usn.ubuntu.com/4094-1/ (vendor-advisory)
- usn.ubuntu.com/4118-1/ (vendor-advisory)
- lists.debian.org/debian-lts-announce/2020/06/msg00011.html (mailing-list)
- lists.debian.org/debian-lts-announce/2020/06/msg00013.html (mailing-list)
Frequently asked questions
- What is CVE-2018-14611?
- CVE-2018-14611 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.5/10. Published 2018-07-27.
- How severe is CVE-2018-14611?
- Medium severity. CVSS v3 base score is 5.5 out of 10.