Use After Free Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-553.8.1.rt7.349.el8_10
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGMODULESEXTRA-7149282
- published 28 May 2024
- disclosed 21 May 2024
Introduced: 21 May 2024
CVE-2021-47310 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-debug-modules-extra to version 0:4.18.0-553.8.1.rt7.349.el8_10 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
net: ti: fix UAF in tlan_remove_one
priv is netdev private data and it cannot be used after free_netdev() call. Using priv after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.
References
- https://access.redhat.com/security/cve/CVE-2021-47310
- https://git.kernel.org/stable/c/0336f8ffece62f882ab3012820965a786a983f70
- https://git.kernel.org/stable/c/0538b0ab7d2c396e385694228c7cdcd2d2c514e9
- https://git.kernel.org/stable/c/93efab0ef2a607fff9166d447c4035f98b5db342
- https://git.kernel.org/stable/c/a0a817b2d308fac090a05cbbe80988e073ac5193
- https://git.kernel.org/stable/c/a18a8d9cfbb112ad72e625372849adc3986fd6bf
- https://git.kernel.org/stable/c/b7e5563f2a7862a9e4796abb9908b092f677e3c1
- https://git.kernel.org/stable/c/c263ae8c7e4c482387de5e6c89e213f8173fe8b6
- https://git.kernel.org/stable/c/f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405