CVE-2021-47501
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 02e9c290814cc143ceccecb14eac3e7a05da745e < e5b7fb2198abc50058f1a29c395b004f76ab1c83 | affected |
| Linux | Linux | 02e9c290814cc143ceccecb14eac3e7a05da745e < 16431e442db248ecd8aa9457cf0a656f1885f56e | affected |
| Linux | Linux | 02e9c290814cc143ceccecb14eac3e7a05da745e < 23ec111bf3549aae37140330c31a16abfc172421 | affected |
| Linux | Linux | 3.12 | affected |
| Linux | Linux | 0 < 3.12 | unaffected |
| Linux | Linux | 5.10.85 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.8 <= 5.15.* | unaffected |
| Linux | Linux | 5.16 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83
- https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e
- https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421
References
- https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83
- https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e
- https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421
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