NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package kernel-uki-virt-addons (opens in a new tab)
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-RHEL9-KERNELUKIVIRTADDONS-8665252
- published29 Jan 2025
- disclosed21 May 2024
Introduced: 21 May 2024
CVE-2021-47257 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-uki-virt-addons package and not the kernel-uki-virt-addons package as distributed by RHEL.
In the Linux kernel, the following vulnerability has been resolved:
net: ieee802154: fix null deref in parse dev addr
Fix a logic error that could result in a null deref if the user sets the mode incorrectly for the given addr type.
References
- https://access.redhat.com/security/cve/CVE-2021-47257
- https://git.kernel.org/stable/c/1f95741981c899c4724647291fec5faa3c777185
- https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0
- https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70
- https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e
- https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627
- https://git.kernel.org/stable/c/d0f47648b87b6d5f204cb7f3cbce6d36dab85a67
- https://git.kernel.org/stable/c/fdd51e34f45311ab6e48d2147cbc2904731b9993