CVE-2026-53032

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2026-06-24. 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:

bpf: Fix NULL deref in map_kptr_match_type for scalar regs

Commit ab6c637ad027 ("bpf: Fix a bpf_kptr_xchg() issue with local kptr") refactored map_kptr_match_type() to branch on btf_is_kernel() before checking base_type(). A scalar register stored into a kptr slot has no btf, so the btf_is_kernel(reg->btf) call dereferences NULL.

Move the base_type() != PTR_TO_BTF_ID guard before any reg->btf access.

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

June 24, 2026

Last Modified

July 14, 2026

Advisory Details (5)

Auto-updated Jul 15, 2026
No patch confirmed yet.
generic

bpf: Fix NULL deref in map_kptr_match_type for scalar regs - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/da1d615ce49a47986a8864e2371a26e97861085c
generic

bpf: Fix NULL deref in map_kptr_match_type for scalar regs - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6982653ce5f119982aa58f1af58e7bfbebf39252
generic

bpf: Fix NULL deref in map_kptr_match_type for scalar regs - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/520454e839710c327808c2fcc98e28cee77355fc
generic

bpf: Fix NULL deref in map_kptr_match_type for scalar regs - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/4d0a375887ab4d49e4da1ff10f9606cab8f7c3ad
generic

bpf: Fix NULL deref in map_kptr_match_type for scalar regs - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0a36c1f72888bca0237295a4da19cd91821a90be

Vendor Advisories for CVE-2026-53032(2)

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

Patch Availability(22)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-6.8 (6.8.0-136.136) @ noble2026-08-30ubuntu
ubuntulinux-virtual-hwe-24.04-edge (7.0.0-28.28~24.04.1) @ noble2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2050.52) @ noble2026-08-30ubuntu
ubuntulinux-virtual-hwe-26.04-edge (7.0.0-28.28) @ resolute2026-08-30ubuntu
ubuntulinux-tools-oem-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-08-30ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-oracle-lts-24.04 (6.8.0-1058.61) @ noble2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-26.04 (7.0.0-2016.16) @ resolute2026-08-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1059.62.1) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1063.71) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fde-lts-24.04 (6.8.0-1062.69) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1063.71+fips2) @ noble2026-08-30ubuntu
ubuntulinux-tools-azure-fde-6.8 (6.8.0-1062.69~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-aws-edge (6.8.0-1061.64~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1033.34) @ noble2026-08-30ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-hwe-24.04-edge (7.0.0-1016.16) @ resolute2026-08-30ubuntu

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

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux6.12.38-1 ... 6.12.94-1~bpo12+1 (27 versions)6.12.94-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux6.12.100-1 ... 7.0.9-1~bpo13+1 (140 versions)7.0.10-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(22)

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 / 63× 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 182 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-53032?
CVE-2026-53032 is a medium vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL deref in mapkptrmatch_type for scalar regs Commit ab6c637ad027 ("bpf: Fix a bpfkptrxchg() issue with local kptr") refactored mapkptrmatchtype() to branch on btfis_kernel() before checking base_type(). A scalar…
When was CVE-2026-53032 disclosed?
CVE-2026-53032 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53032 actively exploited?
CVE-2026-53032 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 97.8% of all scored CVEs.
What is the CVSS score of CVE-2026-53032?
CVE-2026-53032 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-53032?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53032, 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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