CVE-2023-52472

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: rsa - add a check for allocation failure Static checkers insist that the mpi_alloc() allocation can fail so add a check to prevent a NULL dereference. Small allocations like this can't actually fail in current kernels, but adding a check is very simple and makes the static checkers happy.

CVSS Metrics

• v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 3%

Techniques & Countermeasures

• CWE-476•NULL Pointer Dereference

  The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

• linux•linux

  ≥ 6637e11e4ad22ff03183da0dbd36d65c98b81cf7, < 2831f4d3bfa68e64c5f83e96688be779c87b3511 | ≥ 6637e11e4ad22ff03183da0dbd36d65c98b81cf7, < 95ad8b6879e2e49d02e3bfc0e1fb46421633fe2a | ≥ 6637e11e4ad22ff03183da0dbd36d65c98b81cf7, < d872ca165cb67112f2841ef9c37d51ef7e63d1e4 | 6.5

• linux•linux_kernel

  ≥ 6.5.0, < 6.6.14 | ≥ 6.7.0, < 6.7.2

References (3)

• https://git.kernel.org/stable/c/2831f4d3bfa68e64c5f83e96688be779c87b3511
• https://git.kernel.org/stable/c/95ad8b6879e2e49d02e3bfc0e1fb46421633fe2a
• https://git.kernel.org/stable/c/d872ca165cb67112f2841ef9c37d51ef7e63d1e4