Summary
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- Network traffic control;
(CVE-2025-37797, CVE-2025-38083)
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro Realtime 24.04 LTS Pro:Realtime:24.04:LTS | linux-realtime | 6.8.1-1026.27 |
Vulnerabilities 2
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High 7.8
net_sched: hfsc: Fix a UAF vulnerability in class handling
In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class handling This patch fixes a Use-After-Free vulnerability in the HFSC qdisc class handling. The issue occurs due to a time-of-check/time-of-us…
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High 7.8
net_sched: prio: fix a race in prio_tune()
In the Linux kernel, the following vulnerability has been resolved: net_sched: prio: fix a race in prio_tune() Gerrard Tai reported a race condition in PRIO, whenever SFQ perturb timer fires at the wrong time. The race is as follows: CPU 0 CPU 1 [1]: lock roo…