SB2024062765 - Resource management error in Linux kernel mac80211
Published: June 27, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024062765
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2021-47395)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ieee80211_parse_tx_radiotap() function in net/mac80211/tx.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/e5bb852aa2ad963074f0ad73030dbc20a30853e3
- https://git.kernel.org/stable/c/ce5f372f5f084ff51c285fc27b232f15a3d00f0b
- https://git.kernel.org/stable/c/76538c7b4df314bb937e44c5cb1782f37d47443c
- https://git.kernel.org/stable/c/ab85997465b972d39d9747fc16311fa5773374b2
- https://git.kernel.org/stable/c/1282bb00835ff79d2d9c023055d514df5b4de260
- https://git.kernel.org/stable/c/997ee230e4f5285cd98445c102d9033c7ec4814b
- https://git.kernel.org/stable/c/13cb6d826e0ac0d144b0d48191ff1a111d32f0c6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.249
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.209
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.285
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.151