CVE-2026-45835
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb().
Affected versions
Linux kernel versions
3.1
and later are affected. Fixed in
5.10.258,
5.15.209,
6.1.175,
6.6.140,
6.12.88,
6.18.30,
7.0.7,
7.1-rc3
and their respective stable series.
References
The following references provide additional information about CVE-2026-45835 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/0a120d96166301d7a95be75b52f843837dbd1219
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PatchKernel patch commithttps://git.kernel.org/stable/c/140b63cb46f2855ac4ec8fba2f1e974a9c2974e8
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PatchKernel patch commithttps://git.kernel.org/stable/c/2422eaed0925973c0f318c94eb13e76f14c7381e
Frequently asked questions
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What is CVE-2026-45835?
CVE-2026-45835 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.1 onward and has been patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-45835 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-45835?
Yes — CVE-2026-45835 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 3.1 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-45835 actively exploited?
No — CVE-2026-45835 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.