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PUBLISHED

CVE-2024-27046

nfp: flower: handle acti_netdevs allocation failure

Reserved:2024-02-19
Published:2024-05-01
Updated:2024-05-13

Description

In the Linux kernel, the following vulnerability has been resolved: nfp: flower: handle acti_netdevs allocation failure The kmalloc_array() in nfp_fl_lag_do_work() will return null, if the physical memory has run out. As a result, if we dereference the acti_netdevs, the null pointer dereference bugs will happen. This patch adds a check to judge whether allocation failure occurs. If it happens, the delayed work will be rescheduled and try again.

Product status

Default status
unaffected

bb9a8d031140 before d746889db75a
affected

bb9a8d031140 before 3b1e8a617eb0
affected

bb9a8d031140 before 928705e34101
affected

bb9a8d031140 before 0d387dc503f9
affected

bb9a8d031140 before c9b4e220dd18
affected

bb9a8d031140 before 408ba7fd04f9
affected

bb9a8d031140 before c8df9203bf22
affected

bb9a8d031140 before 9d8eb1238377
affected

bb9a8d031140 before 84e95149bd34
affected

Default status
affected

4.18
affected

Any version before 4.18
unaffected

4.19.311
unaffected

5.4.273
unaffected

5.10.214
unaffected

5.15.153
unaffected

6.1.83
unaffected

6.6.23
unaffected

6.7.11
unaffected

6.8.2
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/d746889db75a76aeee95fb705b8e1ac28c684a2e

https://git.kernel.org/stable/c/3b1e8a617eb0f4cdc19def530047a95b5abde07d

https://git.kernel.org/stable/c/928705e341010dd910fdece61ccb974f494a758f

https://git.kernel.org/stable/c/0d387dc503f9a53e6d1f6e9dd0292d38f083eba5

https://git.kernel.org/stable/c/c9b4e220dd18f79507803f38a55d53b483f6c9c3

https://git.kernel.org/stable/c/408ba7fd04f959c61b50db79c983484312fea642

https://git.kernel.org/stable/c/c8df9203bf22c66fa26e8d8c7f8ce181cf88099d

https://git.kernel.org/stable/c/9d8eb1238377cd994829f9162ae396a84ae037b2

https://git.kernel.org/stable/c/84e95149bd341705f0eca6a7fcb955c548805002

cve.org CVE-2024-27046

nvd.nist.gov CVE-2024-27046

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