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7.8 High

CVE-2024-47747 In the Linux kernel, the following vulnerability has been resolved: net: seeq: Fix use after free vulnerability in…

Description

In the Linux kernel, the following vulnerability has been resolved: net: seeq: Fix use after free vulnerability in ether3 Driver Due to Race Condition In the ether3_probe function, a timer is initialized with a callback function ether3_ledoff, bound to &prev(dev)->timer. Once the timer is started, there is a risk of a race condition if the module or device is removed, triggering the ether3_remove function to perform cleanup. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | ether3_ledoff ether3_remove | free_netdev(dev); | put_devic | kfree(dev); | | ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); | // use dev Fix it by ensuring that the timer is canceled before proceeding with the cleanup in ether3_remove.

Affected products and versions

Product Affected versions Fixed in
Linux 6.12 earliest → < 6.12 6.12
Linux 6.11 earliest → < 6.11.2 6.11.2
Linux 6.10 earliest → < 6.10.13 6.10.13
Linux 6.6 earliest → < 6.6.54 6.6.54
Linux 6.1 earliest → < 6.1.113 6.1.113
Linux 5.15 earliest → < 5.15.168 5.15.168
Linux 5.10 earliest → < 5.10.227 5.10.227
Linux 5.4 earliest → < 5.4.285 5.4.285
Linux 4.19 earliest → < 4.19.323 4.19.323
Show the 5 other branches
Product Affected versions Fixed in
Linux 4.15 No fix stated
RUGGEDCOM RST2428P 3.2 earliest → < 3.2 3.2
SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family 3.2 earliest → < 3.2 3.2
SCALANCE XCM-/XRM-/XCH-/XRH-300 family 3.2 earliest → < 3.2 3.2
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem 1.1 earliest → < 1.1.1 1.1.1

References

Timeline

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