Double Free in Linux Kernel
CVE-2018-7480
The blkcg_init_queue function in block/blk-cgroup.c in the Linux kernel before 4.11 allows local users to cause a denial of service (double free) or possibly have unspecified other impact by triggering a creation failure.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/9b54d816e00425c3a517514e0d677bb3cec49258 (Patch, Vendor Advisory)
- usn.ubuntu.com/3654-1/ (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4188 (vendor-advisory, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- usn.ubuntu.com/3654-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3656-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-7480?
- CVE-2018-7480 is a high-severity vulnerability in Linux Kernel, classified under Double Free. CVSS score: 7.8/10. Published 2018-02-25.
- How severe is CVE-2018-7480?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-7480 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.