CVE-2023-53817 Affecting perf-debuginfo package, versions <0:6.1.55-75.123.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.16% (37th percentile)

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  • Snyk IDSNYK-AMZN2023-PERFDEBUGINFO-14897288
  • published8 Jan 2026
  • disclosed9 Dec 2025

Introduced: 9 Dec 2025

CVE-2023-53817  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf-debuginfo to version 0:6.1.55-75.123.amzn2023 or higher.
This issue was patched in ALAS2023-2023-356.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

crypto: lib/mpi - avoid null pointer deref in mpi_cmp_ui()

During NVMeTCP Authentication a controller can trigger a kernel oops by specifying the 8192 bit Diffie Hellman group and passing a correctly sized, but zeroed Diffie Hellamn value. mpi_cmp_ui() was detecting this if the second parameter was 0, but 1 is passed from dh_is_pubkey_valid(). This causes the null pointer u->d to be dereferenced towards the end of mpi_cmp_ui()

CVSS Base Scores

version 3.1