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Debian: CVE-2021-47364: linux -- security update

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Debian: CVE-2021-47364: linux -- security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
05/21/2024
Created
07/31/2024
Added
07/30/2024
Modified
01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved: comedi: Fix memory leak in compat_insnlist() `compat_insnlist()` handles the 32-bit version of the `COMEDI_INSNLIST` ioctl (whenwhen `CONFIG_COMPAT` is enabled).It allocates memory to temporarily hold an array of `struct comedi_insn` converted from the 32-bit version in user space.This memory is only being freed if there is a fault while filling the array, otherwise it is leaked. Add a call to `kfree()` to fix the leak.

Solution(s)

  • debian-upgrade-linux

References

  • https://attackerkb.com/topics/cve-2021-47364
  • CVE - 2021-47364
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