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Ubuntu: (CVE-2019-25160): linux vulnerability

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Ubuntu: (CVE-2019-25160): linux vulnerability

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:C)
Published
02/26/2024
Created
11/21/2024
Added
11/19/2024
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: netlabel: fix out-of-bounds memory accesses There are two array out-of-bounds memory accesses, one in cipso_v4_map_lvl_valid(), the other in netlbl_bitmap_walk().Both errors are embarassingly simple, and the fixes are straightforward. As a FYI for anyone backporting this patch to kernels prior to v4.8, you'll want to apply the netlbl_bitmap_walk() patch to cipso_v4_bitmap_walk() as netlbl_bitmap_walk() doesn't exist before Linux v4.8.

Solution(s)

  • ubuntu-upgrade-linux
  • ubuntu-upgrade-linux-aws
  • ubuntu-upgrade-linux-aws-fips
  • ubuntu-upgrade-linux-aws-hwe
  • ubuntu-upgrade-linux-azure
  • ubuntu-upgrade-linux-azure-fips
  • ubuntu-upgrade-linux-fips
  • ubuntu-upgrade-linux-gcp
  • ubuntu-upgrade-linux-hwe
  • ubuntu-upgrade-linux-kvm
  • ubuntu-upgrade-linux-lts-xenial
  • ubuntu-upgrade-linux-oracle

References

  • https://attackerkb.com/topics/cve-2019-25160
  • CVE - 2019-25160
  • https://git.kernel.org/linus/5578de4834fe0f2a34fedc7374be691443396d1f
  • https://git.kernel.org/stable/c/1c973f9c7cc2b3caae93192fdc8ecb3f0b4ac000
  • https://git.kernel.org/stable/c/5578de4834fe0f2a34fedc7374be691443396d1f
  • https://git.kernel.org/stable/c/97bc3683c24999ee621d847c9348c75d2fe86272
  • https://git.kernel.org/stable/c/c61d01faa5550e06794dcf86125ccd325bfad950
  • https://git.kernel.org/stable/c/dc18101f95fa6e815f426316b8b9a5cee28a334e
  • https://git.kernel.org/stable/c/e3713abc4248aa6bcc11173d754c418b02a62cbb
  • https://git.kernel.org/stable/c/fbf9578919d6c91100ec63acf2cba641383f6c78
  • https://git.kernel.org/stable/c/fcfe700acdc1c72eab231300e82b962bac2b2b2c
  • https://www.cve.org/CVERecord?id=CVE-2019-25160
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