SB2026021637 - Memory leak in Linux kernel wwan t7xx driver
Published: February 16, 2026
Security Bulletin ID
SB2026021637
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) Memory leak (CVE-ID: CVE-2026-23172)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the t7xx_dpmaif_set_frag_to_skb() function in drivers/net/wwan/t7xx/t7xx_hif_dpmaif_rx.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/2a0522f564acd34442652ea083091c329fa7c5d5
- https://git.kernel.org/stable/c/2c0fb0f60bc1545c52da61bc6bd4855c1e7814ba
- https://git.kernel.org/stable/c/af4b8577d0b388cc3d0039eb0cdd9ca5bbbc9276
- https://git.kernel.org/stable/c/f0813bcd2d9d97fdbdf2efb9532ab03ae92e99e6
- https://git.kernel.org/stable/c/f9747a7521a48afded5bff2faf1f2dcfff48c577