SB20240531413 - NULL pointer dereference in Linux kernel net phy driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531413
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) NULL pointer dereference (CVE-ID: CVE-2024-35891)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the lan8814_txtstamp(), lan8814_get_sig_rx(), lan8814_match_rx_ts(), lan8814_ptpci_adjfine(), lan8814_get_sig_tx(), lan8814_dequeue_tx_skb() and lan8814_match_skb() functions in drivers/net/phy/micrel.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/10608161696c2768f53426642f78a42bcaaa53e8
- https://git.kernel.org/stable/c/95c1016a2d92c4c28a9d1b6d09859c00b19c0ea4
- https://git.kernel.org/stable/c/49767b0df276f12e3e7184601e09ee7430e252dc
- https://git.kernel.org/stable/c/96c155943a703f0655c0c4cab540f67055960e91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.85
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.5