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CVE Record

CVE-2023-53615: scsi: qla2xxx: Fix deletion race condition

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix deletion race condition System crash when using debug kernel due to link list corruption. The cause of the link list corruption is due to session deletion was allowed to queue up twice. Here's the internal trace that show the same port was allowed to double queue for deletion on different cpu. 20808683956 015 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1 20808683957 027 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1 Move the clearing/setting of deleted flag lock.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel flaw in the qla2xxx SCSI driver. A race during session deletion can corrupt a linked list and crash the system, based on the kernel description. The available sources do not provide CVSS, remote exploitability, or data-theft impact.

Executive priority

Treat as an operational resilience issue for Linux storage infrastructure. Prioritize affected storage hosts, but avoid emergency assumptions without evidence of exploitation or broader impact.

Technical view

The bug allows the same qla2xxx session to be queued for deletion twice on different CPUs. The kernel fix moves clearing and setting of the deleted flag under locking to prevent linked-list corruption and crash behavior.

Likely exposure

Likely limited to Linux systems running affected kernel versions where the qla2xxx storage driver is present or active. The source bundle does not prove exposure for all Linux deployments.

Exploitation context

No active exploitation is stated in the provided sources, and KEV is false. The evidence describes a crash condition from a race, not a weaponized exploit path.

Researcher notes

The public record is sparse: no CVSS, CWE, exploit status, or detailed affected matrix beyond Linux version data and stable commits. Analysis should stay tied to kernel version and qla2xxx usage.

Mitigation direction

  • Apply Linux kernel vendor updates containing the referenced stable fixes.
  • Prioritize storage hosts where qla2xxx is loaded or required.
  • Check distribution advisories for exact fixed package versions.
  • If patching is delayed, follow vendor guidance for supported mitigations.

Validation and detection

  • Inventory Linux kernel versions against the affected version data.
  • Identify systems with qla2xxx built, loaded, or operationally required.
  • Confirm the deployed kernel includes one of the referenced stable fixes.
  • Review kernel logs for qla2xxx session deletion or linked-list corruption crashes.
Prepared
Confidence
medium
Sources
8

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2023-53615 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
3Timeline events
0ADP providers
7Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux726b85487067d7f5b23495bc33c484b8517c4074, 726b85487067d7f5b23495bc33c484b8517c4074, 726b85487067d7f5b23495bc33c484b8517c4074, 726b85487067d7f5b23495bc33c484b8517c4074, 726b85487067d7f5b23495bc33c484b8517c4074, 726b85487067d7f5b23495bc33c484b8517c4074unaffected
LinuxLinux4.11, 0, 5.4.258, 5.10.195, 5.15.132, 6.1.54, 6.5.4, 6.6affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.