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PUBLISHED

CVE-2024-26694

wifi: iwlwifi: fix double-free bug

Reserved:2024-02-19
Published:2024-04-03
Updated:2024-04-03

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: fix double-free bug The storage for the TLV PC register data wasn't done like all the other storage in the drv->fw area, which is cleared at the end of deallocation. Therefore, the freeing must also be done differently, explicitly NULL'ing it out after the free, since otherwise there's a nasty double-free bug here if a file fails to load after this has been parsed, and we get another free later (e.g. because no other file exists.) Fix that by adding the missing NULL assignment.

Product status

Default status
unaffected

5e31b3df86ec before ab9d4bb9a189
affected

5e31b3df86ec before d24eb9a27bea
affected

5e31b3df86ec before 353d321f63f7
affected

Default status
affected

6.4
affected

Any version before 6.4
unaffected

6.6.18
unaffected

6.7.6
unaffected

6.8
unaffected

References

https://git.kernel.org/stable/c/ab9d4bb9a1892439b3123fc52b19e32b9cdf80ad

https://git.kernel.org/stable/c/d24eb9a27bea8fe5237fa71be274391d9d51eff2

https://git.kernel.org/stable/c/353d321f63f7dbfc9ef58498cc732c9fe886a596

cve.org CVE-2024-26694

nvd.nist.gov CVE-2024-26694

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