CVE-2021-47355
published 2024-05-21CVE-2021-47355: In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstar_cleanup() This module's remove path…
PriorityP338high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.25%
16.1th percentile
In the Linux kernel, the following vulnerability has been resolved:
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
This module's remove path calls del_timer(). However, that function
does not wait until the timer handler finishes. This means that the
timer handler may still be running after the driver's remove function
has finished, which would result in a use-after-free.
Fix by calling del_timer_sync(), which makes sure the timer handler
has finished, and unable to re-schedule itself.
Affected
23 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.14.6-1 (bookworm) | linux 5.14.6-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 99779c9d9ffc7775da6f7fd8a7c93ac61657bed5 | 99779c9d9ffc7775da6f7fd8a7c93ac61657bed5 |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4e2a0848ea2cab0716d46f85a8ccd5fa9a493e51 | 4e2a0848ea2cab0716d46f85a8ccd5fa9a493e51 |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c471569632654e57c83512e0fc1ba0dbb4544ad6 | c471569632654e57c83512e0fc1ba0dbb4544ad6 |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a7a7b2848312cc4c3a42b6e42a8ab2e441857aba | a7a7b2848312cc4c3a42b6e42a8ab2e441857aba |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bdf5334250c69fabf555b7322c75249ea7d5f148 | bdf5334250c69fabf555b7322c75249ea7d5f148 |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a7f7c42e31157d1f0871d6a8e1a0b73a6b4ea785 | a7f7c42e31157d1f0871d6a8e1a0b73a6b4ea785 |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2f958b6f6ba0854b39be748d21dfe71e0fe6580f | 2f958b6f6ba0854b39be748d21dfe71e0fe6580f |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5b991df8881088448cb223e769e37cab8dd40706 | 5b991df8881088448cb223e769e37cab8dd40706 |
| linux | linux | >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 34e7434ba4e97f4b85c1423a59b2922ba7dff2ea | 34e7434ba4e97f4b85c1423a59b2922ba7dff2ea |
| linux | linux_kernel | < 4.4.276 | 4.4.276 |
| linux | linux_kernel | >= 0 < 5.10.70-1 | 5.10.70-1 |
| linux | linux_kernel | >= 0 < 5.14.6-1 | 5.14.6-1 |
| linux | linux_kernel | >= 0 < 5.14.6-1 | 5.14.6-1 |
| linux | linux_kernel | >= 0 < 5.14.6-1 | 5.14.6-1 |
| linux | linux_kernel | >= 4.10 < 4.14.240 | 4.14.240 |
| linux | linux_kernel | >= 4.15 < 4.19.198 | 4.19.198 |
| linux | linux_kernel | >= 4.20 < 5.4.133 | 5.4.133 |
| linux | linux_kernel | >= 4.5 < 4.9.276 | 4.9.276 |
| linux | linux_kernel | >= 5.11 < 5.12.18 | 5.12.18 |
| linux | linux_kernel | >= 5.13 < 5.13.3 | 5.13.3 |
| linux | linux_kernel | >= 5.5 < 5.10.51 | 5.10.51 |
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: atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
vendor_redhat·2024-05-21·CVSS 7.8
CVE-2021-47355 [HIGH] CWE-416 kernel: atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
kernel: atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
In the Linux kernel, the following vulnerability has been resolved:
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
This module's remove path calls del_timer(). However, that function
does not wait until the timer handler finishes. This means that the
timer handler may still be running after the driver's remove function
has finished, which would result in a use-after-free.
Fix by calling del_timer_sync(), which makes sure the timer handler
has finished, and unable to re-schedule itself.
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterpris
Debian
CVE-2021-47355: linux - In the Linux kernel, the following vulnerability has been resolved: atm: nicsta...
vendor_debian·2021·CVSS 7.8
CVE-2021-47355 [HIGH] CVE-2021-47355: linux - In the Linux kernel, the following vulnerability has been resolved: atm: nicsta...
In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstar_cleanup() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.
Scope: local
bookworm: resolved (fixed in 5.14.6-1)
bullseye: resolved (fixed in 5.10.70-1)
forky: resolved (fixed in 5.14.6-1)
sid: resolved (fixed in 5.14.6-1)
trixie: resolved (fixed in 5.14.6-1)
OSV
CVE-2021-47355: In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstar_cleanup() This module's remov
osv·2024-05-21·CVSS 7.8
CVE-2021-47355 [HIGH] CVE-2021-47355: In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstar_cleanup() This module's remov
In the Linux kernel, the following vulnerability has been resolved: atm: nicstar: Fix possible use-after-free in nicstar_cleanup() This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free. Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.
GHSA
GHSA-j469-qwv3-79fj: In the Linux kernel, the following vulnerability has been resolved:
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
This module's rem
ghsa_unreviewed·2024-05-21
CVE-2021-47355 [HIGH] CWE-416 GHSA-j469-qwv3-79fj: In the Linux kernel, the following vulnerability has been resolved:
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
This module's rem
In the Linux kernel, the following vulnerability has been resolved:
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
This module's remove path calls del_timer(). However, that function
does not wait until the timer handler finishes. This means that the
timer handler may still be running after the driver's remove function
has finished, which would result in a use-after-free.
Fix by calling del_timer_sync(), which makes sure the timer handler
has finished, and unable to re-schedule itself.
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/2f958b6f6ba0854b39be748d21dfe71e0fe6580fhttps://git.kernel.org/stable/c/34e7434ba4e97f4b85c1423a59b2922ba7dff2eahttps://git.kernel.org/stable/c/4e2a0848ea2cab0716d46f85a8ccd5fa9a493e51https://git.kernel.org/stable/c/5b991df8881088448cb223e769e37cab8dd40706https://git.kernel.org/stable/c/99779c9d9ffc7775da6f7fd8a7c93ac61657bed5https://git.kernel.org/stable/c/a7a7b2848312cc4c3a42b6e42a8ab2e441857abahttps://git.kernel.org/stable/c/a7f7c42e31157d1f0871d6a8e1a0b73a6b4ea785https://git.kernel.org/stable/c/bdf5334250c69fabf555b7322c75249ea7d5f148https://git.kernel.org/stable/c/c471569632654e57c83512e0fc1ba0dbb4544ad6https://git.kernel.org/stable/c/2f958b6f6ba0854b39be748d21dfe71e0fe6580fhttps://git.kernel.org/stable/c/34e7434ba4e97f4b85c1423a59b2922ba7dff2eahttps://git.kernel.org/stable/c/4e2a0848ea2cab0716d46f85a8ccd5fa9a493e51https://git.kernel.org/stable/c/5b991df8881088448cb223e769e37cab8dd40706https://git.kernel.org/stable/c/99779c9d9ffc7775da6f7fd8a7c93ac61657bed5https://git.kernel.org/stable/c/a7a7b2848312cc4c3a42b6e42a8ab2e441857abahttps://git.kernel.org/stable/c/a7f7c42e31157d1f0871d6a8e1a0b73a6b4ea785https://git.kernel.org/stable/c/bdf5334250c69fabf555b7322c75249ea7d5f148https://git.kernel.org/stable/c/c471569632654e57c83512e0fc1ba0dbb4544ad6
2024-05-21
Published