CVE-2026-45836: Linux vulnerability

CVE-2026-45836: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb().

UnknownCVSS not scoredNot KEV-listedUpdatedOct 15, 2026, 01:19 UTC (UTC+00:00)

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2026-45836 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 26, 2026, 16:14 UTC (UTC+00:00)

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

1ADP providers

10Source links

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.
May 13, 2026, 15:03 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
May 26, 2026, 16:14 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Oct 15, 2026, 01:19 UTC (UTC+00:00)

ADP provider summaries

Source materials

CVE List V5 sourceCVE List V5
https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7CVE reference, Linux
https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1CVE reference, Linux
https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908CVE reference, Linux
https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86dCVE reference, Linux
https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083CVE reference, Linux
https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767CVE reference, Linux
https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6CVE reference, Linux
https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613CVE reference, Linux
https://cert-portal.siemens.com/productcert/html/ssa-784472.htmlCVE reference, siemens-SADP

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

LinuxLinux8d836d71e2223b8961b21112bb4ce89ef8231682, 8d836d71e2223b8961b21112bb4ce89ef8231682, 8d836d71e2223b8961b21112bb4ce89ef8231682, 8d836d71e2223b8961b21112bb4ce89ef8231682, 8d836d71e2223b8961b21112bb4ce89ef8231682, 8d836d71e2223b8961b21112bb4ce89ef8231682, 8d836d71e2223b8961b21112bb4ce89ef8231682, 8d836d71e2223b8961b21112bb4ce89ef8231682unaffected

LinuxLinux3.13, 0, 5.10.258, 5.15.209, 6.1.175, 6.6.140, 6.12.90, 6.18.30, 7.0.7, 7.1affected

Weakness

CWE details

No CWE listed

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