Use After Free in Linux Kernel
CVE-2023-1118
A flaw use after free in the Linux kernel integrated infrared receiver/transceiver driver was found in the way user detaching rc device. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Vulnerability class: Use-After-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: 0.003 (18.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Linux Kernel
- Kernel — versions Linux kernel 6.3-rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/29b0589a865b6f66d141d79b2dd1373e4e50fe17 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20230413-0003/ (Third Party Advisory)
- [debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update (mailing-list, Mailing List, Third Party Advisory)
- [debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-1118?
- CVE-2023-1118 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2023-03-02.
- How severe is CVE-2023-1118?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-1118 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.