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CVE-2021-47357 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: atm: iphase: fix possible use-after-free in ia_module_exit() 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.


Metrics

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:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
https://git.kernel.org/stable/c/1c72e6ab66b9598cac741ed397438a52065a8f1f
https://git.kernel.org/stable/c/1c72e6ab66b9598cac741ed397438a52065a8f1f
https://git.kernel.org/stable/c/89ce0b0747f319eb70f85bc820dcc43cebbd5417
https://git.kernel.org/stable/c/89ce0b0747f319eb70f85bc820dcc43cebbd5417
https://git.kernel.org/stable/c/9e161687855175334ca93c6c3ccb221731194479
https://git.kernel.org/stable/c/9e161687855175334ca93c6c3ccb221731194479
https://git.kernel.org/stable/c/a832ee2f2145f57443b2d565f8cb5490e8339f42
https://git.kernel.org/stable/c/a832ee2f2145f57443b2d565f8cb5490e8339f42
https://git.kernel.org/stable/c/b58d246a058ae88484758cd4ab27b3180fd5ecf8
https://git.kernel.org/stable/c/b58d246a058ae88484758cd4ab27b3180fd5ecf8
https://git.kernel.org/stable/c/bcdd2be48edd8c6867fb44112cb8d18086beae29
https://git.kernel.org/stable/c/bcdd2be48edd8c6867fb44112cb8d18086beae29
https://git.kernel.org/stable/c/c9172498d4d62c9b64e5fb37c1ee0343e65fe51b
https://git.kernel.org/stable/c/c9172498d4d62c9b64e5fb37c1ee0343e65fe51b
https://git.kernel.org/stable/c/d1fb12412874c94ad037e11d0ecdd1140a439297
https://git.kernel.org/stable/c/d1fb12412874c94ad037e11d0ecdd1140a439297
https://git.kernel.org/stable/c/e759ff76ebbbfcdcf83b6634c54dc47828573d8b
https://git.kernel.org/stable/c/e759ff76ebbbfcdcf83b6634c54dc47828573d8b

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47357
NVD Published Date:
05/21/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org