CVE-2026-45835

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-05-26. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.5Exploit: None knownExposed: 0

A fix is available — apply it.

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().

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity55% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
KEV
Not listed

Published

May 26, 2026

Last Modified

July 24, 2026

Advisory Details (8)

Auto-updated Jun 26, 2026
No patch confirmed yet.
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ab77c8bc30269bee15d917059a66bea48909f5f0
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/76083fb80f5a38ac13326b2d810f66bd07771eea
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/741e6024e31587b0c021b6616a9e428a4ea0b64a
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/684a1f9ee2325437ae18ac5371884e4c6a25ae73
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2422eaed0925973c0f318c94eb13e76f14c7381e
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/140b63cb46f2855ac4ec8fba2f1e974a9c2974e8
generic

Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_cb() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0a120d96166301d7a95be75b52f843837dbd1219

Vendor Advisories for CVE-2026-45835(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(31)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-08-23ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1109.115~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1117.102) @ jammy2026-08-23ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-08-23ubuntu
ubuntulinux-virtual-6.8 (6.8.0-136.136) @ noble2026-08-23ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1009.9) @ resolute2026-08-23ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-08-23ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-08-23ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2050.52) @ noble2026-08-23ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-08-23ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-08-23ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-08-23ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-23ubuntu
ubuntulinux-tools-aws-fips-6.8 (6.8.0-1061.64+fips1) @ noble2026-08-23ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1033.34) @ noble2026-08-23ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-08-23ubuntu
ubuntulinux-tools-intel-iot-realtime-5.15 (5.15.0.1104.108) @ jammy2026-08-23ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-08-23ubuntu
ubuntulinux-tools-gcp-edge (5.15.0.1112.122~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1058.61) @ noble2026-08-23ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1059.62.1) @ noble2026-08-23ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-08-23ubuntu
ubuntulinux-tools-ibm-edge (5.15.0.1106.110~20.04.1) @ focal2026-08-23ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-23ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-08-23ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1063.71) @ noble2026-08-23ubuntu
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-08-23ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1063.71+fips2) @ noble2026-08-23ubuntu
ubuntulinux-tools-azure-fde-6.8 (6.8.0-1062.69~22.04.1) @ jammy2026-08-23ubuntu
linuxKernel @ 5.10.258—osv

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 4 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 5.10.92-2 (54 versions)5.10.259-1—
linux-6.16.1.106-3~deb11u1 ... 6.1.174-1~deb11u1 (20 versions)6.1.176-1~deb11u1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux6.1.106-1 ... 6.1.99-1 (53 versions)6.1.176-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.88-1~bpo12+1 (21 versions)6.12.88-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.7-1~bpo13+1 (133 versions)7.0.7-1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(24)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 5× in last 7d / 64× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 197 total refreshes for this CVE.

  1. 2026-09-04 05:06 UTCEPSS rescore
  2. 2026-09-02 14:12 UTCEPSS rescore
  3. 2026-09-01 13:54 UTCEPSS rescore
  4. 2026-08-30 19:17 UTCEPSS rescore
  5. 2026-08-30 01:22 UTCEPSS rescore
  6. 2026-08-28 21:41 UTCEPSS rescore
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 14:46 UTCEPSS rescore
  9. 2026-08-25 13:49 UTCEPSS rescore
  10. 2026-08-23 15:59 UTCEG score recompute
  11. 2026-08-23 15:59 UTCVendor advisory
  12. 2026-08-23 15:58 UTCGHSA enrichment
  13. 2026-08-23 00:19 UTCEPSS rescore
  14. 2026-08-21 23:49 UTCEPSS rescore
  15. 2026-08-21 21:23 UTCEG score recompute
  16. 2026-08-21 21:23 UTCVendor advisory
  17. 2026-08-21 21:23 UTCGHSA enrichment
  18. 2026-08-20 22:55 UTCEPSS rescore
  19. 2026-08-20 18:05 UTCEG score recompute
  20. 2026-08-20 18:05 UTCVendor advisory
  21. 2026-08-20 18:04 UTCGHSA enrichment
  22. 2026-08-19 17:04 UTCEPSS rescore
  23. 2026-08-18 13:48 UTCEPSS rescore
  24. 2026-08-17 09:33 UTCEG score recompute
  25. 2026-08-17 09:33 UTCVendor advisory
Show 75 more
  1. 2026-08-17 09:33 UTCGHSA enrichment
  2. 2026-08-16 14:56 UTCEPSS rescore
  3. 2026-08-16 03:05 UTCEG score recompute
  4. 2026-08-16 03:05 UTCVendor advisory
  5. 2026-08-16 03:05 UTCGHSA enrichment
  6. 2026-08-16 02:14 UTCEPSS rescore
  7. 2026-08-15 01:30 UTCEPSS rescore
  8. 2026-08-15 01:25 UTCVendor advisory
  9. 2026-08-15 01:25 UTCGHSA enrichment
  10. 2026-08-14 01:42 UTCEG score recompute
  11. 2026-08-14 01:42 UTCVendor advisory
  12. 2026-08-14 01:42 UTCGHSA enrichment
  13. 2026-08-13 22:00 UTCEPSS rescore
  14. 2026-08-12 23:49 UTCEG score recompute
  15. 2026-08-12 23:49 UTCVendor advisory
  16. 2026-08-12 23:49 UTCGHSA enrichment
  17. 2026-08-12 13:51 UTCEPSS rescore
  18. 2026-08-12 00:07 UTCEG score recompute
  19. 2026-08-12 00:07 UTCVendor advisory
  20. 2026-08-12 00:07 UTCGHSA enrichment
  21. 2026-08-11 00:22 UTCEG score recompute
  22. 2026-08-11 00:22 UTCVendor advisory
  23. 2026-08-11 00:21 UTCGHSA enrichment
  24. 2026-08-11 00:00 UTCEPSS rescore
  25. 2026-08-09 23:17 UTCEG score recompute
  26. 2026-08-09 23:17 UTCVendor advisory
  27. 2026-08-09 23:17 UTCGHSA enrichment
  28. 2026-08-09 13:46 UTCEPSS rescore
  29. 2026-08-08 23:35 UTCEG score recompute
  30. 2026-08-08 23:35 UTCVendor advisory
  31. 2026-08-08 23:35 UTCGHSA enrichment
  32. 2026-08-08 16:37 UTCEPSS rescore
  33. 2026-08-07 20:28 UTCEG score recompute
  34. 2026-08-07 20:28 UTCVendor advisory
  35. 2026-08-07 20:28 UTCGHSA enrichment
  36. 2026-08-06 20:45 UTCEG score recompute
  37. 2026-08-06 20:45 UTCVendor advisory
  38. 2026-08-06 20:45 UTCGHSA enrichment
  39. 2026-08-06 13:47 UTCEPSS rescore
  40. 2026-08-05 21:02 UTCEG score recompute
  41. 2026-08-05 21:02 UTCVendor advisory
  42. 2026-08-05 21:02 UTCGHSA enrichment
  43. 2026-08-05 19:17 UTCEPSS rescore
  44. 2026-08-04 15:10 UTCEPSS rescore
  45. 2026-08-04 10:39 UTCEPSS rescore
  46. 2026-08-03 16:40 UTCEG score recompute
  47. 2026-08-03 16:40 UTCVendor advisory
  48. 2026-08-03 16:40 UTCGHSA enrichment
  49. 2026-08-03 10:36 UTCEPSS rescore
  50. 2026-08-02 16:14 UTCEG score recompute
  51. 2026-08-02 16:14 UTCVendor advisory
  52. 2026-08-02 16:14 UTCGHSA enrichment
  53. 2026-08-02 02:27 UTCEPSS rescore
  54. 2026-08-01 16:31 UTCEG score recompute
  55. 2026-08-01 16:31 UTCVendor advisory
  56. 2026-08-01 16:31 UTCGHSA enrichment
  57. 2026-08-01 04:16 UTCEPSS rescore
  58. 2026-07-31 10:21 UTCEG score recompute
  59. 2026-07-31 10:21 UTCVendor advisory
  60. 2026-07-31 10:21 UTCGHSA enrichment
  61. 2026-07-30 16:28 UTCEPSS rescore
  62. 2026-07-30 01:30 UTCEPSS rescore
  63. 2026-07-29 16:48 UTCEG score recompute
  64. 2026-07-29 16:48 UTCVendor advisory
  65. 2026-07-29 16:48 UTCGHSA enrichment
  66. 2026-07-28 15:36 UTCEPSS rescore
  67. 2026-07-27 14:13 UTCEPSS rescore
  68. 2026-07-26 14:54 UTCEPSS rescore
  69. 2026-07-26 14:54 UTCEPSS rescore
  70. 2026-07-26 07:47 UTCEG score recompute
  71. 2026-07-26 07:47 UTCVendor advisory
  72. 2026-07-26 07:47 UTCGHSA enrichment
  73. 2026-07-25 14:18 UTCEPSS rescore
  74. 2026-07-24 14:17 UTCEPSS rescore
  75. 2026-07-23 14:18 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-45835?
CVE-2026-45835 is a medium vulnerability published on May 26, 2026. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsocknewconnectioncb() Add the same NULL guard already present in l2capsockresumecb() and l2capsockreadycb().
When was CVE-2026-45835 disclosed?
CVE-2026-45835 was first published in the National Vulnerability Database on May 26, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-45835 actively exploited?
CVE-2026-45835 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.6% of all scored CVEs.
What is the CVSS score of CVE-2026-45835?
CVE-2026-45835 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-45835?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45835, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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