cbcvebase.
CVE-2024-35920
published 2024-05-19

CVE-2024-35920: In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: adding lock to protect decoder context list Add a lock for the…

PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.23%
14.3th percentile
In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: adding lock to protect decoder context list Add a lock for the ctx_list, to avoid accessing a NULL pointer within the 'vpu_dec_ipi_handler' function when the ctx_list has been deleted due to an unexpected behavior on the SCP IP block. Hardware name: Google juniper sku16 board (DT) pstate: 20400005 (nzCv daif +PAN -UAO -TCO BTYPE=--) pc : vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec] lr : scp_ipi_handler+0xd0/0x194 [mtk_scp] sp : ffffffc0131dbbd0 x29: ffffffc0131dbbd0 x28: 0000000000000000 x27: ffffff9bb277f348 x26: ffffff9bb242ad00 x25: ffffffd2d440d3b8 x24: ffffffd2a13ff1d4 x23: ffffff9bb7fe85a0 x22: ffffffc0133fbdb0 x21: 0000000000000010 x20: ffffff9b050ea328 x19: ffffffc0131dbc08 x18: 0000000000001000 x17: 0000000000000000 x16: ffffffd2d461c6e0 x15: 0000000000000242 x14: 000000000000018f x13: 000000000000004d x12: 0000000000000000 x11: 0000000000000001 x10: fffffffffffffff0 x9 : ffffff9bb6e793a8 x8 : 0000000000000000 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : fffffffffffffff0 x3 : 0000000000000020 x2 : ffffff9bb6e79080 x1 : 0000000000000010 x0 : ffffffc0131dbc08 Call trace: vpu_dec_ipi_handler+0x58/0x1f8 [mtk_vcodec_dec (HASH:6c3f 2)] scp_ipi_handler+0xd0/0x194 [mtk_scp (HASH:7046 3)] mt8183_scp_irq_handler+0x44/0x88 [mtk_scp (HASH:7046 3)] scp_irq_handler+0x48/0x90 [mtk_scp (HASH:7046 3)] irq_thread_fn+0x38/0x94 irq_thread+0x100/0x1c0 kthread+0x140/0x1fc ret_from_fork+0x10/0x30 Code: 54000088 f94ca50a eb14015f 54000060 (f9400108) ---[ end trace ace43ce36cbd5c93 ]--- Kernel panic - not syncing: Oops: Fatal exception SMP: stopping secondary CPUs Kernel Offset: 0x12c4000000 from 0xffffffc010000000 PHYS_OFFSET: 0xffffffe580000000 CPU features: 0x08240002,2188200c Memory Limit: none

Affected

13 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.8.9-1 (forky)linux 6.8.9-1 (forky)
linuxlinux
linuxlinux>= 655b86e52eacdce79c2e02c5ec7258a97fcc2e4a < 0a2dc707aa42214f9c4827bd57e344e29a0841d60a2dc707aa42214f9c4827bd57e344e29a0841d6
linuxlinux>= 655b86e52eacdce79c2e02c5ec7258a97fcc2e4a < 23aaf824121055ba81b55f75444355bd83c8eb3823aaf824121055ba81b55f75444355bd83c8eb38
linuxlinux>= 655b86e52eacdce79c2e02c5ec7258a97fcc2e4a < 6467cda18c9f9b5f2f9a0aa1e2861c653e41f3826467cda18c9f9b5f2f9a0aa1e2861c653e41f382
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.8.9-16.8.9-1
linuxlinux_kernel>= 0 < 6.8.9-16.8.9-1
linuxlinux_kernel>= 0 < 6.8.0-38.386.8.0-38.38
linuxlinux_kernel>= 6.6 < 6.6.276.6.27
linuxlinux_kernel>= 6.7 < 6.8.66.8.6

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv6.8MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
vendor_ubuntu4.6MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.