CVE-2022-48735
published 2024-06-20CVE-2022-48735: In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix UAF of leds class devs at unbinding The LED class devices that are created…
PriorityP337high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.23%
14.4th percentile
In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: Fix UAF of leds class devs at unbinding
The LED class devices that are created by HD-audio codec drivers are
registered via devm_led_classdev_register() and associated with the
HD-audio codec device. Unfortunately, it turned out that the devres
release doesn't work for this case; namely, since the codec resource
release happens before the devm call chain, it triggers a NULL
dereference or a UAF for a stale set_brightness_delay callback.
For fixing the bug, this patch changes the LED class device register
and unregister in a manual manner without devres, keeping the
instances in hda_gen_spec.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.16.10-1 (bookworm) | linux 5.16.10-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 15509b6344726de22bdbfff88b65341dd0dd33af < a7de1002135cf94367748ffc695a29812d7633b5 | a7de1002135cf94367748ffc695a29812d7633b5 |
| linux | linux | >= 15509b6344726de22bdbfff88b65341dd0dd33af < 0e629052f013eeb61494d4df2f1f647c2a9aef47 | 0e629052f013eeb61494d4df2f1f647c2a9aef47 |
| linux | linux | >= 15509b6344726de22bdbfff88b65341dd0dd33af < 813e9f3e06d22e29872d4fd51b54992d89cf66c8 | 813e9f3e06d22e29872d4fd51b54992d89cf66c8 |
| linux | linux | >= 15509b6344726de22bdbfff88b65341dd0dd33af < 549f8ffc7b2f7561bea7f90930b6c5104318e87b | 549f8ffc7b2f7561bea7f90930b6c5104318e87b |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.103-1 | 5.10.103-1 |
| linux | linux_kernel | >= 0 < 5.16.10-1 | 5.16.10-1 |
| linux | linux_kernel | >= 0 < 5.16.10-1 | 5.16.10-1 |
| linux | linux_kernel | >= 0 < 5.16.10-1 | 5.16.10-1 |
| linux | linux_kernel | >= 5.11 < 5.15.22 | 5.15.22 |
| linux | linux_kernel | >= 5.16 < 5.16.8 | 5.16.8 |
| linux | linux_kernel | >= 5.9 < 5.10.99 | 5.10.99 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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Red Hat
kernel: ALSA: hda: Fix UAF of leds class devs at unbinding
vendor_redhat·2024-06-20·CVSS 7.8
CVE-2022-48735 [HIGH] CWE-416 kernel: ALSA: hda: Fix UAF of leds class devs at unbinding
kernel: ALSA: hda: Fix UAF of leds class devs at unbinding
In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: Fix UAF of leds class devs at unbinding
The LED class devices that are created by HD-audio codec drivers are
registered via devm_led_classdev_register() and associated with the
HD-audio codec device. Unfortunately, it turned out that the devres
release doesn't work for this case; namely, since the codec resource
release happens before the devm call chain, it triggers a NULL
dereference or a UAF for a stale set_brightness_delay callback.
For fixing the bug, this patch changes the LED class device register
and unregister in a manual manner without devres, keeping the
instances in hda_gen_spec.
A use-after-free vulnerability has been identified in the Lin
Debian
CVE-2022-48735: linux - In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: ...
vendor_debian·2022·CVSS 7.8
CVE-2022-48735 [HIGH] CVE-2022-48735: linux - In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: ...
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix UAF of leds class devs at unbinding The LED class devices that are created by HD-audio codec drivers are registered via devm_led_classdev_register() and associated with the HD-audio codec device. Unfortunately, it turned out that the devres release doesn't work for this case; namely, since the codec resource release happens before the devm call chain, it triggers a NULL dereference or a UAF for a stale set_brightness_delay callback. For fixing the bug, this patch changes the LED class device register and unregister in a manual manner without devres, keeping the instances in hda_gen_spec.
Scope: local
bookworm: resolved (fixed in 5.16.10-1)
bullseye: resolved (fixed in 5.10.103-1)
forky: resolved (fixed in 5.
OSV
CVE-2022-48735: In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix UAF of leds class devs at unbinding The LED class devices that are
osv·2024-06-20·CVSS 7.8
CVE-2022-48735 [HIGH] CVE-2022-48735: In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix UAF of leds class devs at unbinding The LED class devices that are
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix UAF of leds class devs at unbinding The LED class devices that are created by HD-audio codec drivers are registered via devm_led_classdev_register() and associated with the HD-audio codec device. Unfortunately, it turned out that the devres release doesn't work for this case; namely, since the codec resource release happens before the devm call chain, it triggers a NULL dereference or a UAF for a stale set_brightness_delay callback. For fixing the bug, this patch changes the LED class device register and unregister in a manual manner without devres, keeping the instances in hda_gen_spec.
GHSA
GHSA-cq4f-h5g8-8r5h: In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: Fix UAF of leds class devs at unbinding
The LED class devices that ar
ghsa_unreviewed·2024-06-20
CVE-2022-48735 [HIGH] CWE-416 GHSA-cq4f-h5g8-8r5h: In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: Fix UAF of leds class devs at unbinding
The LED class devices that ar
In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: Fix UAF of leds class devs at unbinding
The LED class devices that are created by HD-audio codec drivers are
registered via devm_led_classdev_register() and associated with the
HD-audio codec device. Unfortunately, it turned out that the devres
release doesn't work for this case; namely, since the codec resource
release happens before the devm call chain, it triggers a NULL
dereference or a UAF for a stale set_brightness_delay callback.
For fixing the bug, this patch changes the LED class device register
and unregister in a manual manner without devres, keeping the
instances in hda_gen_spec.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://git.kernel.org/stable/c/0e629052f013eeb61494d4df2f1f647c2a9aef47https://git.kernel.org/stable/c/549f8ffc7b2f7561bea7f90930b6c5104318e87bhttps://git.kernel.org/stable/c/813e9f3e06d22e29872d4fd51b54992d89cf66c8https://git.kernel.org/stable/c/a7de1002135cf94367748ffc695a29812d7633b5https://git.kernel.org/stable/c/0e629052f013eeb61494d4df2f1f647c2a9aef47https://git.kernel.org/stable/c/549f8ffc7b2f7561bea7f90930b6c5104318e87bhttps://git.kernel.org/stable/c/813e9f3e06d22e29872d4fd51b54992d89cf66c8https://git.kernel.org/stable/c/a7de1002135cf94367748ffc695a29812d7633b5
2024-06-20
Published