CVE-2022-49496
Detail
Modified After Enrichment This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
In the Linux kernel, the following vulnerability has been resolved:
media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko
If the driver support subdev mode, the parameter "dev->pm.dev" will be
NULL in mtk_vcodec_dec_remove. Kernel will crash when try to rmmod
mtk-vcodec-dec.ko.
[ 4380.702726] pc : do_raw_spin_trylock+0x4/0x80
[ 4380.707075] lr : _raw_spin_lock_irq+0x90/0x14c
[ 4380.711509] sp : ffff80000819bc10
[ 4380.714811] x29: ffff80000819bc10 x28: ffff3600c03e4000 x27: 0000000000000000
[ 4380.721934] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[ 4380.729057] x23: ffff3600c0f34930 x22: ffffd5e923549000 x21: 0000000000000220
[ 4380.736179] x20: 0000000000000208 x19: ffffd5e9213e8ebc x18: 0000000000000020
[ 4380.743298] x17: 0000002000000000 x16: ffffd5e9213e8e90 x15: 696c346f65646976
[ 4380.750420] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000040
[ 4380.757542] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[ 4380.764664] x8 : 0000000000000000 x7 : ffff3600c7273ae8 x6 : ffffd5e9213e8ebc
[ 4380.771786] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
[ 4380.778908] x2 : 0000000000000000 x1 : ffff3600c03e4000 x0 : 0000000000000208
[ 4380.786031] Call trace:
[ 4380.788465] do_raw_spin_trylock+0x4/0x80
[ 4380.792462] __pm_runtime_disable+0x2c/0x1b0
[ 4380.796723] mtk_vcodec_dec_remove+0x5c/0xa0 [mtk_vcodec_dec]
[ 4380.802466] platform_remove+0x2c/0x60
[ 4380.806204] __device_release_driver+0x194/0x250
[ 4380.810810] driver_detach+0xc8/0x15c
[ 4380.814462] bus_remove_driver+0x5c/0xb0
[ 4380.818375] driver_unregister+0x34/0x64
[ 4380.822288] platform_driver_unregister+0x18/0x24
[ 4380.826979] mtk_vcodec_dec_driver_exit+0x1c/0x888 [mtk_vcodec_dec]
[ 4380.833240] __arm64_sys_delete_module+0x190/0x224
[ 4380.838020] invoke_syscall+0x48/0x114
[ 4380.841760] el0_svc_common.constprop.0+0x60/0x11c
[ 4380.846540] do_el0_svc+0x28/0x90
[ 4380.849844] el0_svc+0x4c/0x100
[ 4380.852975] el0t_64_sync_handler+0xec/0xf0
[ 4380.857148] el0t_64_sync+0x190/0x194
[ 4380.860801] Code: 94431515 17ffffca d503201f d503245f (b9400004)
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
NVD assessment
not yet provided.
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Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-667
Improper Locking
NIST
CISA-ADP
Change History
6 change records found show changes
CVE Modified by kernel.org
8/15/2026 9:17:21 AM
Action
Type
Old Value
New Value
Changed
Affected
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"590577a4e5257ac3ed72999a94666ad6ba8f24bc","lessThan":"1fa37b00dc55a061a3eb82e378849862b4aeca9d","versionType":"git","status":"affected"},{"version":"590577a4e5257ac3ed72999a94666ad6ba8f24bc","lessThan":"c10c0086db688c95bb4e0e378e523818dff1551d","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.10","status":"affected"},{"version":"0","lessThan":"4.10","versionType":"semver","status":"unaffected"},{"version":"5.18.3","lessThanOrEqual":"5.18.*","versionType":"semver","status":"unaffected"},{"version":"5.19","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"c05bada35f015fb735a9c3830226ccbe2b05008f","lessThan":"1fa37b00dc55a061a3eb82e378849862b4aeca9d","versionType":"git","status":"affected"},{"version":"c05bada35f015fb735a9c3830226ccbe2b05008f","lessThan":"c10c0086db688c95bb4e0e378e523818dff1551d","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"5.18","status":"affected"},{"version":"0","lessThan":"5.18","versionType":"semver","status":"unaffected"},{"version":"5.18.3","lessThanOrEqual":"5.18.*","versionType":"semver","status":"unaffected"},{"version":"5.19","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]
CVE Modified by CISA-ADP
6/17/2026 1:18:14 AM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2025-10-01T19:38:46.175575Z","id":"CVE-2022-49496","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by kernel.org
6/17/2026 1:18:14 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","programFiles":["drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"590577a4e5257ac3ed72999a94666ad6ba8f24bc","lessThan":"1fa37b00dc55a061a3eb82e378849862b4aeca9d","versionType":"git","status":"affected"},{"version":"590577a4e5257ac3ed72999a94666ad6ba8f24bc","lessThan":"c10c0086db688c95bb4e0e378e523818dff1551d","versionType":"git","status":"affected"}]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","programFiles":["drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_drv.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","versions":[{"version":"4.10","status":"affected"},{"version":"0","lessThan":"4.10","versionType":"semver","status":"unaffected"},{"version":"5.18.3","lessThanOrEqual":"5.18.*","versionType":"semver","status":"unaffected"},{"version":"5.19","lessThanOrEqual":"*","versionType":"original_commit_for_fix","status":"unaffected"}]}]
CVE Modified by CISA-ADP
10/01/2025 4:16:30 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CWE
CWE-667
Initial Analysis by NIST
3/17/2025 12:51:55 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CWE
CWE-667
Added
CPE Configuration
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.18.3
Added
Reference Type
kernel.org: https://git.kernel.org/stable/c/1fa37b00dc55a061a3eb82e378849862b4aeca9d Types: Patch
Added
Reference Type
kernel.org: https://git.kernel.org/stable/c/c10c0086db688c95bb4e0e378e523818dff1551d Types: Patch
New CVE Received from kernel.org
2/26/2025 2:01:25 AM
Action
Type
Old Value
New Value
Added
Description
Record truncated, showing 2048 of 2158 characters.
View Entire Change Record In the Linux kernel, the following vulnerability has been resolved:
media: mediatek: vcodec: prevent kernel crash when rmmod mtk-vcodec-dec.ko
If the driver support subdev mode, the parameter "dev->pm.dev" will be
NULL in mtk_vcodec_dec_remove. Kernel will crash when try to rmmod
mtk-vcodec-dec.ko.
[ 4380.702726] pc : do_raw_spin_trylock+0x4/0x80
[ 4380.707075] lr : _raw_spin_lock_irq+0x90/0x14c
[ 4380.711509] sp : ffff80000819bc10
[ 4380.714811] x29: ffff80000819bc10 x28: ffff3600c03e4000 x27: 0000000000000000
[ 4380.721934] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[ 4380.729057] x23: ffff3600c0f34930 x22: ffffd5e923549000 x21: 0000000000000220
[ 4380.736179] x20: 0000000000000208 x19: ffffd5e9213e8ebc x18: 0000000000000020
[ 4380.743298] x17: 0000002000000000 x16: ffffd5e9213e8e90 x15: 696c346f65646976
[ 4380.750420] x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000040
[ 4380.757542] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
[ 4380.764664] x8 : 0000000000000000 x7 : ffff3600c7273ae8 x6 : ffffd5e9213e8ebc
[ 4380.771786] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
[ 4380.778908] x2 : 0000000000000000 x1 : ffff3600c03e4000 x0 : 0000000000000208
[ 4380.786031] Call trace:
[ 4380.788465] do_raw_spin_trylock+0x4/0x80
[ 4380.792462] __pm_runtime_disable+0x2c/0x1b0
[ 4380.796723] mtk_vcodec_dec_remove+0x5c/0xa0 [mtk_vcodec_dec]
[ 4380.802466] platform_remove+0x2c/0x60
[ 4380.806204] __device_release_driver+0x194/0x250
[ 4380.810810] driver_detach+0xc8/0x15c
[ 4380.814462] bus_remove_driver+0x5c/0xb0
[ 4380.818375] driver_unregister+0x34/0x64
[ 4380.822288] platform_driver_unregister+0x18/0x24
[ 4380.826979] mtk_vcodec_dec_driver_exit+0x1c/0x888 [mtk_vcodec_dec]
[ 4380.833240] __arm64_sys_delete_module+0x190/0x224
[ 4380.838020] invoke_syscall+0x48/0x114
[ 4380.841760] el0_svc_common.constprop.0+0x60/0x11c
[ 4380.846540] do_el0_svc+0x28/0x90
[ 4380.849844] el0_svc+0x4c/0x100
[ 4380.852975] el0t_64_sync_handler+0xec/0xf
Added
Reference
https://git.kernel.org/stable/c/1fa37b00dc55a061a3eb82e378849862b4aeca9d
Added
Reference
https://git.kernel.org/stable/c/c10c0086db688c95bb4e0e378e523818dff1551d
Quick Info
CVE Dictionary Entry: CVE-2022-49496 NVD
Published Date: 02/26/2025 NVD
Last Modified: 08/15/2026
Source: kernel.org
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