CVE-2026-53048

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:

gfs2: prevent NULL pointer dereference during unmount

When flushing out outstanding glock work during an unmount, gfs2_log_flush() can be called when sdp->sd_jdesc has already been deallocated and sdp->sd_jdesc is NULL. Commit 35264909e9d1 ("gfs2: Fix NULL pointer dereference in gfs2_log_flush") added a check for that to gfs2_log_flush() itself, but it missed the sdp->sd_jdesc dereference in gfs2_log_release(). Fix that.

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 21, 2026

Advisory Details (7)

Auto-updated Jul 21, 2026
No patch confirmed yet.
generic

gfs2: prevent NULL pointer dereference during unmount - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e15f16761594e80b15776980b27c35477655a135
generic

gfs2: prevent NULL pointer dereference during unmount - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/d8ffae016c4a78693fe1283335d0b6833a9c1366
generic

gfs2: prevent NULL pointer dereference during unmount - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/cec55674354794eddb80b914f73a6bf9b7fc304a
generic

gfs2: prevent NULL pointer dereference during unmount - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/abd73229f0e886a91a16ea781ab656bd9b4d1ee8
generic

gfs2: prevent NULL pointer dereference during unmount - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/74b4dbb946060a3233604d91859a9abd3708141d
generic

gfs2: prevent NULL pointer dereference during unmount - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2fc4c868c9060f424fd4a7cacb0aec5082aba4de
generic

gfs2: prevent NULL pointer dereference during unmount - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/233a0945a4b1dbe3f38c30afb7d05b76c67f1193

Vendor Advisories for CVE-2026-53048(2)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-aws-lts-24.04 (6.8.0-1061.64+1) @ noble2026-08-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-5.15 (5.15.0.1107.107) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.64) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-7.0 (7.0.0-1009.9) @ resolute2026-08-30ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1063.71) @ 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-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-gcp-fips-6.8 (6.8.0-1064.72+fips1) @ noble2026-08-30ubuntu
ubuntulinux-xilinx-zynqmp-tools-5.15.0-1075 (5.15.0-1075.79) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-tegra-rt-5.15 (5.15.0.1064.66~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-oracle-7.0 (7.0.0-1008.8) @ resolute2026-08-30ubuntu
ubuntulinux-tools-lowlatency-hwe-22.04-edge (6.8.0-136.136.2~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (6.8.0-1058.61~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1059.62.1) @ 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-oracle-lts-22.04 (5.15.0.1109.105) @ jammy2026-08-30ubuntu
ubuntulinux-tools-azure-fde-lts-22.04 (5.15.0.1117.126) @ jammy2026-08-30ubuntu
ubuntulinux-tools-raspi-realtime-7.0 (7.0.0-1015.15) @ resolute2026-08-30ubuntu
ubuntulinux-tools-aws-fips-6.8 (6.8.0-1061.64+fips1) @ noble2026-08-30ubuntu
ubuntulinux-tools-ibm-edge (6.8.0-1061.62~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-virtual-hwe-22.04-edge (6.8.0-136.136~22.04.1) @ jammy2026-08-30ubuntu
ubuntulinux-tools-oracle-edge (5.15.0.1109.115~20.04.1) @ focal2026-08-30ubuntu
ubuntulinux-tools-azure-fips-5.15 (5.15.0.1117.102) @ jammy2026-08-30ubuntu
ubuntulinux-tools-intel-iot-realtime-5.15 (5.15.0.1104.108) @ jammy2026-08-30ubuntu
ubuntulinux-tools-intel-iotg-5.15 (5.15.0.1107.106) @ 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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
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 ... 6.12.94-1~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.

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 4× in last 7d / 59× 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 174 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-53048?
CVE-2026-53048 is a medium vulnerability published on June 24, 2026. In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2logflush() can be called when sdp->sdjdesc has already been deallocated and sdp->sdjdesc is NULL. Commit…
When was CVE-2026-53048 disclosed?
CVE-2026-53048 was first published in the National Vulnerability Database on June 24, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53048 actively exploited?
CVE-2026-53048 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 97.7% of all scored CVEs.
What is the CVSS score of CVE-2026-53048?
CVE-2026-53048 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-53048?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53048, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-53048

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