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Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: gpio: exar: initialize the ID before registering its cleanup devm_add_action_or_reset() invokes the cleanup action immediately when registering the action fails. gpio_exar_probe() currently stores the allocated ID in exar_gpio only after registering the action, so that failure makes exar_devm_ida_free() release ID 0. If the allocated ID is nonzero, this leaks that ID and can free ID 0 belonging to another device. Store the ID before registering the cleanup action so both the immediate failure path and normal device teardown release the correct allocation.
Засегнати продукти
- Linux Linux: 5300ebb695fa0672589ab191062392f686fca75d преди 0250acba81654b2ee50bde324ad72b3f0c04d0bd; 5300ebb695fa0672589ab191062392f686fca75d преди 88b9c4bbf83d940ab672956e5af921215905dcb4; 5300ebb695fa0672589ab191062392f686fca75d преди bf3d841ef12fcbec4458e2750956b738b043a226; 5300ebb695fa0672589ab191062392f686fca75d преди b78c114600ae3df90c083c72c290437b068577c8; 5300ebb695fa0672589ab191062392f686fca75d преди 01318927a9055136c207399eeb36ce07becac179; 5300ebb695fa0672589ab191062392f686fca75d преди f7ec4dbd2a073dd53b6349be1c586fe8580dd6b2; 5300ebb695fa0672589ab191062392f686fca75d преди 4d69e74034b208588636ecc177e0dd43a7696af3
- Linux Linux: 5.11; преди 5.11; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.113 до 6.12.*; 6.18.57 до 6.18.*; 7.2.11 до 7.2.*; от 7.3 нататък
История
- 23 октомври 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-98971
- https://nvd.nist.gov/vuln/detail/CVE-2026-98971
- https://git.kernel.org/stable/c/0250acba81654b2ee50bde324ad72b3f0c04d0bd
- https://git.kernel.org/stable/c/88b9c4bbf83d940ab672956e5af921215905dcb4
- https://git.kernel.org/stable/c/bf3d841ef12fcbec4458e2750956b738b043a226
- https://git.kernel.org/stable/c/b78c114600ae3df90c083c72c290437b068577c8
- https://git.kernel.org/stable/c/01318927a9055136c207399eeb36ce07becac179
- https://git.kernel.org/stable/c/f7ec4dbd2a073dd53b6349be1c586fe8580dd6b2
- https://git.kernel.org/stable/c/4d69e74034b208588636ecc177e0dd43a7696af3