Vulnerability in Linux Kernel
CVE-2022-29581
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
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: 0.009 (60.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- kernel.dance/ (Patch, Vendor Advisory)
- www.openwall.com/lists/oss-security/2022/05/18/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086… (VDB Entry, Third Party Advisory)
- security.netapp.com/advisory/ntap-20220629-0005/ (Third Party Advisory)
- www.debian.org/security/2022/dsa-5173 (vendor-advisory, Third Party Advisory)
- packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-29581?
- CVE-2022-29581 is a high-severity vulnerability in Linux Kernel, classified under CWE-911. CVSS score: 7.8/10. Published 2022-05-17.
- How severe is CVE-2022-29581?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-29581 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.