CVE-2021-47301

In the Linux kernel, the following vulnerability has been resolved: igb: Fix use-after-free error during reset Cleans the next descriptor to watch (next_to_watch) when cleaning the TX ring. Failure to do so can cause invalid memory accesses. If igb_poll() runs while the controller is reset this can lead to the driver try to free a skb that was already freed. (The crash is harder to reproduce with the igb driver, but the same potential problem exists as the code is identical to igc)

The following products are affected by CVE-2021-47301 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47301.

URL	Resource
https://git.kernel.org/stable/c/7b292608db23ccbbfbfa50cdb155d01725d7a52e
https://git.kernel.org/stable/c/88e0720133d42d34851c8721cf5f289a50a8710f
https://git.kernel.org/stable/c/8e24c12f2ff6d32fd9f057382f08e748ec97194c
https://git.kernel.org/stable/c/d3ccb18ed5ac3283c7b31ecc685b499e580d5492
https://git.kernel.org/stable/c/d7367f781e5a9ca5df9082b15b272b55e76931f8
https://git.kernel.org/stable/c/f153664d8e70c11d0371341613651e1130e20240
https://lore.kernel.org/linux-cve-announce/2024052126-CVE-2021-47301-13b4@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47301
https://www.cve.org/CVERecord?id=CVE-2021-47301