CVE-2021-47501: i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc
First published: Fri May 24 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc When trying to dump VFs VSI RX/TX descriptors using debugfs there was a crash due to NULL pointer dereference in i40e_dbg_dump_desc. Added a check to i40e_dbg_dump_desc that checks if VSI type is correct for dumping RX/TX descriptors.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e
- https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421
- https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47501
- https://nvd.nist.gov/vuln/detail/CVE-2021-47501
- https://launchpad.net/bugs/cve/CVE-2021-47501
- https://security-tracker.debian.org/tracker/CVE-2021-47501
- https://ubuntu.com/security/CVE-2021-47501
- https://git.kernel.org/linus/23ec111bf3549aae37140330c31a16abfc172421
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