Security readout for executives and security teams
Plain-English summary
CVE-2024-58058 is a Linux kernel UBIFS availability flaw. A local, low-privileged user could trigger a null pointer dereference and crash affected systems. The business impact is downtime, not data theft or privilege escalation based on the provided CVSS and description.
Executive priority
Treat as a moderate availability risk. Patch through normal kernel maintenance, accelerating for multi-user systems or devices where outages carry operational impact. It is not supported as remotely exploitable or actively exploited in the provided sources.
Technical view
UBIFS may free znodes while clearing slab cache, leaving c->zroot.znode null. Later TNC tree dumping dereferences that null pointer, causing a kernel crash. The CVE maps to CWE-476 and has CVSS 3.1 score 5.5: local attack vector, low complexity, low privileges, no user interaction, high availability impact.
Likely exposure
Exposure is limited to Linux systems running affected kernel versions with UBIFS code reachable. The bundle lists Linux kernel versions and stable kernel fixes, plus Debian LTS references. It does not identify internet-facing exposure or specific downstream products beyond the advisory links.
Exploitation context
No active exploitation is supported by the source bundle, and KEV is false. Exploitation requires local access and low privileges, with availability impact only. The evidence does not show remote exploitation, confidentiality impact, integrity impact, or public weaponization.
Researcher notes
The core condition is a null c->zroot.znode after slab cache clearing, followed by TNC tree dumping. Version data in the bundle is broad and commit-oriented, so validation should rely on vendor backport status rather than raw version comparison alone.
Mitigation direction
- Apply vendor or distribution kernel updates that include the referenced stable fixes.
- Review Debian LTS and other vendor advisories for backported kernel package status.
- Prioritize systems where untrusted local users can access UBIFS-related functionality.
- If patching is delayed, reduce unnecessary local user access on affected systems.
Validation and detection
- Inventory Linux kernel versions across servers, appliances, and embedded systems.
- Check whether affected systems use or expose UBIFS functionality.
- Confirm installed kernels include the relevant stable fix or vendor backport.
- Review crash logs for UBIFS null pointer dereference indicators.
- Track vendor advisories for downstream product-specific applicability.
Public sources used
- CVE Program
- CVE List V5
- Linux stable commit 428aff8f7cfb
- Linux stable commit 6211c11fc204
- Linux stable commit 1787cd67bb94
- Linux stable commit e01b55f261cc
- Linux stable commit 40e25a3c0063
- Linux stable commit 77e5266e3d3f
- Linux stable commit 2a987950df82
- Linux stable commit bdb0ca39e0ac
- Debian LTS advisory May 2025
- Debian LTS advisory March 2025
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-58058 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/428aff8f7cfb0d9a8854477648022cef96bcab28CVE reference, Linux
- https://git.kernel.org/stable/c/6211c11fc20424bbc6d79c835c7c212b553ae898CVE reference, Linux
- https://git.kernel.org/stable/c/1787cd67bb94b106555ffe64f887f6aa24b47010CVE reference, Linux
- https://git.kernel.org/stable/c/e01b55f261ccc96e347eba4931e4429d080d879dCVE reference, Linux
- https://git.kernel.org/stable/c/40e25a3c0063935763717877bb2a814c081509ffCVE reference, Linux
- https://git.kernel.org/stable/c/77e5266e3d3faa6bdcf20d9c68a8972f6aa06522CVE reference, Linux
- https://git.kernel.org/stable/c/2a987950df825d0144370e700dc5fb337684ffbaCVE reference, Linux
- https://git.kernel.org/stable/c/bdb0ca39e0acccf6771db49c3f94ed787d05f2d7CVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.htmlCVE reference, CVE
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.htmlCVE reference, CVE
- https://cert-portal.siemens.com/productcert/html/ssa-265688.htmlCVE reference, siemens-SADP
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.