Unchecked Return Value Affecting kernel-debug-modules-extra package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-KERNELDEBUGMODULESEXTRA-1329410
- published26 Jul 2021
- disclosed11 Jan 2018
Introduced: 11 Jan 2018
CVE-2018-8043 (opens in a new tab)How to fix?
There is no fixed version for RHEL:8 kernel-debug-modules-extra.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules-extra package and not the kernel-debug-modules-extra package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
The unimac_mdio_probe function in drivers/net/phy/mdio-bcm-unimac.c in the Linux kernel through 4.15.8 does not validate certain resource availability, which allows local users to cause a denial of service (NULL pointer dereference).
References
- https://access.redhat.com/security/cve/CVE-2018-8043
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5
- https://github.com/torvalds/linux/commit/297a6961ffb8ff4dc66c9fbf53b924bd1dda05d5
- http://www.securitytracker.com/id/1040749
- https://usn.ubuntu.com/3619-1/
- https://usn.ubuntu.com/3619-2/
- https://usn.ubuntu.com/3630-1/
- https://usn.ubuntu.com/3630-2/
- https://usn.ubuntu.com/3632-1/