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Use of Uninitialized Resource The advisory has been revoked - it doesn't affect any version of package kernel-devel-rt  (opens in a new tab)

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  • Snyk IDSNYK-SLES152-KERNELDEVELRT-2668630
  • published14 Apr 2022
  • disclosed12 Aug 2021
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Introduced: 12 Aug 2021

CVE-2021-21781  (opens in a new tab)
CWE-908  (opens in a new tab)

Amendment

The SLES security team deemed this advisory irrelevant for SLES:15.2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-devel-rt package and not the kernel-devel-rt package as distributed by SLES.

An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel v5.4.66 and v5.4.54. The latest version (5.11-rc4) seems to still be vulnerable. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An attacker can read a process’s memory at a specific offset to trigger this vulnerability. This was fixed in kernel releases: 4.14.222 4.19.177 5.4.99 5.10.17 5.11

References