CVE-2024-36922
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: read txq->read_ptr under lock If we read txq->read_ptr without lock, we can read the same value twice, then obtain the lock, and reclaim from there to two different…
Does this matter?
Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: read txq->read_ptr under lock If we read txq->read_ptr without lock, we can read the same value twice, then obtain the lock, and reclaim from there to two different places, but crucially reclaim the same entry twice, resulting in the WARN_ONCE() a little later. Fix that by reading txq->read_ptr under lock.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.35% probability · 28th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/43d07103df670484cdd26f9588eabef80f69db89Patch
- https://git.kernel.org/stable/c/aab7b39fcac5f6165f6434bcbb56bb7865d4ad2b
- https://git.kernel.org/stable/c/b83db8e756dec68a950ed2f056248b1704b3deaaPatch
- https://git.kernel.org/stable/c/c2ace6300600c634553657785dfe5ea0ed688ac2Patch
- https://git.kernel.org/stable/c/f30e8af109818c9db08cbcc46eb9713fe4b530ba
- https://git.kernel.org/stable/c/43d07103df670484cdd26f9588eabef80f69db89Patch
- https://git.kernel.org/stable/c/b83db8e756dec68a950ed2f056248b1704b3deaaPatch
- https://git.kernel.org/stable/c/c2ace6300600c634553657785dfe5ea0ed688ac2Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.