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PUBLISHED

CVE-2021-47501

i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc

Reserved:2024-05-22
Published:2024-05-24
Updated:2024-06-10

Description

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.

Product status

Default status
unaffected

02e9c290814c before e5b7fb2198ab
affected

02e9c290814c before 16431e442db2
affected

02e9c290814c before 23ec111bf354
affected

Default status
affected

3.12
affected

Any version before 3.12
unaffected

5.10.85
unaffected

5.15.8
unaffected

5.16
unaffected

References

https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83

https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e

https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421

cve.org CVE-2021-47501

nvd.nist.gov CVE-2021-47501

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