Vulnerability in Linux Kernel
CVE-2020-35508
A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (13.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a948 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210513-0006/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-35508?
- CVE-2020-35508 is a medium-severity vulnerability in Linux Kernel, classified under Improper Initialization. CVSS score: 4.5/10. Published 2021-03-26.
- How severe is CVE-2020-35508?
- Medium severity. CVSS v3 base score is 4.5 out of 10.