Security readout for executives and security teams
Plain-English summary
A flaw in the Linux qla2xxx SCSI driver can release the same memory twice during error handling, potentially corrupting kernel memory. Successful exploitation requires local, low-privileged access and high complexity, but the scored consequences include loss of confidentiality, integrity, and availability.
Executive priority
Treat this as a high-priority kernel maintenance issue on affected storage infrastructure, but not as an internet-perimeter emergency. Accelerate patch validation where qla2xxx is active or local user access is broadly available. Standard maintenance timing may be reasonable for systems demonstrably lacking the affected driver path.
Technical view
The ha->vp_map pointer could be freed in qla2x00_mem_alloc() and subsequently freed again by qla2x00_mem_free(). The upstream correction sets vp_map to NULL after the first release, making later kfree handling safe. The supplied CVSS 3.1 score is 7.0 with local attack vector, high complexity, low privileges, and no user interaction.
Likely exposure
Exposure is limited to Linux systems containing affected qla2xxx driver code and reaching the vulnerable memory-allocation cleanup path. The bundle identifies releases including 6.3, 6.6.24, 6.7.12, 6.8.3, and 6.9, but its version data includes an ambiguous “0”; verify distribution backports rather than relying only on version strings.
Exploitation context
CISA KEV status is false, and the supplied sources provide no evidence of active exploitation or a public exploit. Exploitation is characterized as local and high complexity, requiring low privileges. The precise trigger conditions and practical exploitability are not established in the bundle.
Researcher notes
The report originated from a Coverity finding and describes a potential double free, not a demonstrated exploit. The repair is narrowly scoped to nulling ha->vp_map after release. The bundle does not identify a CWE, concrete trigger sequence, affected hardware, public proof of concept, or definitive fixed-version boundaries; distribution-specific analysis remains necessary.
Mitigation direction
- Install a supported vendor kernel confirmed to include the referenced vp_map fix.
- Check distribution security guidance for patched package versions and backport status.
- Prioritize systems actively using the qla2xxx driver, especially critical storage hosts.
- Apply normal change controls and storage-availability safeguards before kernel maintenance.
Validation and detection
- Inventory running kernel versions and installed distribution kernel packages.
- Determine whether the qla2xxx module is present, loaded, or required.
- Confirm the vendor kernel contains an equivalent of the referenced stable commits.
- Reboot into the corrected kernel and verify the running version.
- Review kernel logs for qla2xxx faults or memory-corruption symptoms.
Public sources used
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.
CVE-2024-26930 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
- High
- CVSS
- 7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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:H/PR:L/UI:N/S:U/C:H/I:H/A:H15.9LinuxVulnerability scoring details
Base CVSS 3.1 score
7HighVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/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/f14cee7a882cb79528f17a2335f53e9fd1848467CVE reference, Linux
- https://git.kernel.org/stable/c/b7deb675d674f44e0ddbab87fee8f9f098925e73CVE reference, Linux
- https://git.kernel.org/stable/c/825d63164a2e6bacb059a9afb5605425b485413fCVE reference, Linux
- https://git.kernel.org/stable/c/e288285d47784fdcf7c81be56df7d65c6f10c58bCVE reference, Linux
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.