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PUBLISHED

CVE-2024-26779

wifi: mac80211: fix race condition on enabling fast-xmit

Reserved:2024-02-19
Published:2024-04-03
Updated:2024-04-03

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix race condition on enabling fast-xmit fast-xmit must only be enabled after the sta has been uploaded to the driver, otherwise it could end up passing the not-yet-uploaded sta via drv_tx calls to the driver, leading to potential crashes because of uninitialized drv_priv data. Add a missing sta->uploaded check and re-check fast xmit after inserting a sta.

Product status

Default status
unaffected

1da177e4c3f4 before 76fad1174a0c
affected

1da177e4c3f4 before 85720b69aef1
affected

1da177e4c3f4 before 5ffab99e070b
affected

1da177e4c3f4 before 88c18fd06608
affected

1da177e4c3f4 before eb39bb548bf9
affected

1da177e4c3f4 before 54b79d878696
affected

1da177e4c3f4 before 281280276b70
affected

1da177e4c3f4 before bcbc84af1183
affected

Default status
affected

4.19.308
unaffected

5.4.270
unaffected

5.10.211
unaffected

5.15.150
unaffected

6.1.80
unaffected

6.6.19
unaffected

6.7.7
unaffected

6.8
unaffected

References

https://git.kernel.org/stable/c/76fad1174a0cae6fc857b9f88b261a2e4f07d587

https://git.kernel.org/stable/c/85720b69aef177318f4a18efbcc4302228a340e5

https://git.kernel.org/stable/c/5ffab99e070b9f8ae0cf60c3c3602b84eee818dd

https://git.kernel.org/stable/c/88c18fd06608b3adee547102505d715f21075c9d

https://git.kernel.org/stable/c/eb39bb548bf974acad7bd6780fe11f9e6652d696

https://git.kernel.org/stable/c/54b79d8786964e2f840e8a2ec4a9f9a50f3d4954

https://git.kernel.org/stable/c/281280276b70c822f55ce15b661f6d1d3228aaa9

https://git.kernel.org/stable/c/bcbc84af1183c8cf3d1ca9b78540c2185cd85e7f

cve.org CVE-2024-26779

nvd.nist.gov CVE-2024-26779

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