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7.8 High

CVE-2024-36974 In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: always validate…

Description

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP If one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided, taprio_parse_mqprio_opt() must validate it, or userspace can inject arbitrary data to the kernel, the second time taprio_change() is called. First call (with valid attributes) sets dev->num_tc to a non zero value. Second call (with arbitrary mqprio attributes) returns early from taprio_parse_mqprio_opt() and bad things can happen.

Affected products and versions

Product Affected versions Fixed in
Linux 6.10 earliest → < 6.10 6.10
Linux 6.9 earliest → < 6.9.6 6.9.6
Linux 6.6 earliest → < 6.6.35 6.6.35
Linux 6.1 earliest → < 6.1.95 6.1.95
Linux 5.15 earliest → < 5.15.162 5.15.162
Linux 5.10 earliest → < 5.10.221 5.10.221
Linux 5.4 earliest → < 5.4.279 5.4.279
Linux 5.2 No fix stated
RUGGEDCOM RST2428P 3.1 earliest → < 3.1 3.1
Show the 3 other branches
Product Affected versions Fixed in
SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Versions not published
SCALANCE XCM-/XRM-/XCH-/XRH-300 family 3.1 earliest → < 3.1 3.1
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 earliest → < 1.1.1 1.1.1

References

Timeline

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