Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.12 |
| Redhat | Enterprise Linux | 8.0 |
| Netapp | A700S Firmware | - |
| Netapp | A700S | - |
| Netapp | Brocade Fabric Operating System Firmware | - |
| Netapp | Fas8300 Firmware | - |
| Netapp | Fas8300 | - |
| Netapp | Fas8700 Firmware | - |
| Netapp | Fas8700 | - |
| Netapp | Aff A400 Firmware | - |
| Netapp | Aff A400 | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1902724Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a94PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210513-0006/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1902724Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a94PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20210513-0006/Third Party Advisory
FAQ
What is CVE-2020-35508?
CVE-2020-35508 is a vulnerability with a CVSS score of 4.5 (MEDIUM). 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 ...
How severe is CVE-2020-35508?
CVE-2020-35508 has been rated MEDIUM with a CVSS base score of 4.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-35508?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Netapp A700S Firmware, Netapp A700S, Netapp Brocade Fabric Operating System Firmware.