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Amazon Linux AMI: CVE-2019-19319: Security patch for kernel (ALAS-2020-1377)

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Amazon Linux AMI: CVE-2019-19319: Security patch for kernel (ALAS-2020-1377)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/27/2019
Created
06/05/2020
Added
06/04/2020
Modified
10/14/2022

Description

In the Linux kernel before 5.2, a setxattr operation, after a mount of a crafted ext4 image, can cause a slab-out-of-bounds write access because of an ext4_xattr_set_entry use-after-free in fs/ext4/xattr.c when a large old_size value is used in a memset call, aka CID-345c0dbf3a30.

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2020-1377
  • USN-4391-1
  • CVE-2019-19319

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