CVE-2020-35508 describes a race condition and incorrect initialization flaw in the Linux kernel's child/parent process identification, impacting Linux, NetApp, and Red Hat products. This vulnerability has a medium severity CVSS score of 4.5, indicating a local attacker with low privileges could exploit it with high attack complexity to bypass signal handler checks, potentially leading to low impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage, suggesting a low current threat landscape.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
5.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.12:-:*:*:*:*:*:* | ||
5.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.12:rc1:*:*:*:*:*:* | ||
5.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.12:rc2:*:*:*:*:*:* | ||
5.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.12:rc3:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
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.
Mar 9, 2021kernel: fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent
Dec 9, 2020