What’s Vulnerable › Vulnerabilities

CVE-2024-58058: ubifs: skip dumping tnc tree when zroot is null

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-06 · updated 2026-10-15
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: ubifs: skip dumping tnc tree when zroot is null Clearing slab cache will free all znode in memory and make c->zroot.znode = NULL, then dumping tnc tree will access c->zroot.znode which cause null pointer dereference.

Affected products

• Linux kernel: from 2.6.27 before 5.4.291; from 5.5 before 5.10.235; from 5.11 before 5.15.179; from 5.16 before 6.1.129; from 6.2 before 6.6.76; from 6.7 before 6.12.13 — fixed in 5.10.235, 5.15.179, 5.4.291, 6.1.129, 6.12.13, 6.13.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.235, 5.15.179, 5.4.291, 6.1.129. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1787cd67bb94b106555ffe64f887f6aa24b47010
• https://git.kernel.org/stable/c/2a987950df825d0144370e700dc5fb337684ffba
• https://git.kernel.org/stable/c/40e25a3c0063935763717877bb2a814c081509ff
• https://git.kernel.org/stable/c/428aff8f7cfb0d9a8854477648022cef96bcab28
• https://git.kernel.org/stable/c/6211c11fc20424bbc6d79c835c7c212b553ae898
• https://git.kernel.org/stable/c/77e5266e3d3faa6bdcf20d9c68a8972f6aa06522
• https://git.kernel.org/stable/c/bdb0ca39e0acccf6771db49c3f94ed787d05f2d7
• https://git.kernel.org/stable/c/e01b55f261ccc96e347eba4931e4429d080d879d
• https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
• https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
• https://cert-portal.siemens.com/productcert/html/ssa-019113.html
• https://cert-portal.siemens.com/productcert/html/ssa-265688.html

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