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Debian: CVE-2021-33909: linux, linux-4.19 -- security update

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Debian: CVE-2021-33909: linux, linux-4.19 -- security update

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
07/20/2021
Created
07/23/2021
Added
07/22/2021
Modified
08/03/2021

Description

fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05.

Solution(s)

  • debian-upgrade-linux
  • debian-upgrade-linux-4-19

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