Use After Free in Linux Kernel
CVE-2023-51780
An issue was discovered in the Linux kernel before 6.6.8. do_vcc_ioctl in net/atm/ioctl.c has a use-after-free because of a vcc_recvmsg race condition.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel — versions 2.6.12, 6.7
- Debian Linux — versions 10.0
Weakness classification (CWE)
References
- github.com/torvalds/linux/commit/24e90b9e34f9e039f56b5f25f6e6eb92cdd8f4b3 (Patch)
- cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8 (Release Notes)
- lists.debian.org/debian-lts-announce/2024/01/msg00004.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2024/01/msg00005.html (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20240419-0001/
Frequently asked questions
- What is CVE-2023-51780?
- CVE-2023-51780 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.0/10. Published 2024-01-11.
- How severe is CVE-2023-51780?
- High severity. CVSS v3 base score is 7.0 out of 10.