PT-2023-1890 · Linux+2 · Linux Kernel+2
Publicado
2021-12-18
·
Atualizado
2025-03-20
·
CVE-2023-23003
CVSS v3.1
4.0
Média
| Vetor | AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 5.16
Description
The issue is related to a lack of check for the
hashmap new return value in the expr.c file of the Linux kernel's tools/perf/util directory. This could potentially allow an attacker to cause a denial of service or possibly other impacts. The estimated number of potentially affected devices worldwide is not specified.Recommendations
For Linux kernel versions prior to 5.16, update to version 5.16 or later to resolve the issue. As a temporary workaround, consider restricting access to the
expr ctx new() function until a patch is available.Correção
NULL Pointer Dereference
Unchecked Return Value
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Identificadores relacionados
Produtos afetados
Alt Linux
Debian
Linux Kernel