CVE-2024-42099

MediumCVSS 5.5/10Last modified Aug 4, 2026

Description

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

s390/dasd: Fix invalid dereferencing of indirect CCW data pointer

Fix invalid dereferencing of indirect CCW data pointer in dasd_eckd_dump_sense() that leads to a kernel panic in error cases.

When using indirect addressing for DASD CCWs (IDAW) the CCW CDA pointer does not contain the data address itself but a pointer to the IDAL. This needs to be translated from physical to virtual as well before using it.

This dereferencing is also used for dasd_page_cache and also fixed although it is very unlikely that this code path ever gets used.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= c0bd39601c13ab08e961d77a90dfeeff56056353, < c116475f7d6410b1e6d399207ac75de6cf9c3652; >= c0bd39601c13ab08e961d77a90dfeeff56056353, < b3a58f3b90f564f42a5c35778d8c5107b2c2150b
LinuxLinux6.9

References

Timeline

Published
Jul 30, 2024
Last modified
Aug 4, 2026
NVD status
Modified

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CVE-2024-42099: Medium severity, CVSS 5.5 | Vulnix