CVE-2024-44997

High

Description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_wed: fix use-after-free panic in mtk_wed_setup_tc_block_cb() When there are multiple ap interfaces on one band and with WED on, turning the interface down will cause a kernel panic on MT798X. Previously, cb_priv was freed in mtk_wed_setup_tc_block() without marking NULL,and mtk_wed_setup_tc_block_cb() didn't check the value, too. Assign NULL after free cb_priv in mtk_wed_setup_tc_block() and check NULL in mtk_wed_setup_tc_block_cb(). ---------- Unable to handle kernel paging request at virtual address 0072460bca32b4f5 Call trace: mtk_wed_setup_tc_block_cb+0x4/0x38 0xffffffc0794084bc tcf_block_playback_offloads+0x70/0x1e8 tcf_block_unbind+0x6c/0xc8 ... ---------

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedSep 4, 2024
First seenSep 4, 2024

How to fix

Update
  • linux linux_kernel6.6.48, 6.10.7 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.2 ≤ v < 6.6.48, 6.7 ≤ v < 6.10.7, 6.116.6.48, 6.10.7

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