CVE-2025-68320

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2025-12-16. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

In the Linux kernel, the following vulnerability has been resolved:

lan966x: Fix sleeping in atomic context

The following warning was seen when we try to connect using ssh to the device.

BUG: sleeping function called from invalid context at kernel/locking/mutex.c:575 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 104, name: dropbear preempt_count: 1, expected: 0 INFO: lockdep is turned off. CPU: 0 UID: 0 PID: 104 Comm: dropbear Tainted: G W 6.18.0-rc2-00399-g6f1ab1b109b9-dirty #530 NONE Tainted: [W]=WARN Hardware name: Generic DT based system Call trace: unwind_backtrace from show_stack+0x10/0x14 show_stack from dump_stack_lvl+0x7c/0xac dump_stack_lvl from __might_resched+0x16c/0x2b0 __might_resched from __mutex_lock+0x64/0xd34 __mutex_lock from mutex_lock_nested+0x1c/0x24 mutex_lock_nested from lan966x_stats_get+0x5c/0x558 lan966x_stats_get from dev_get_stats+0x40/0x43c dev_get_stats from dev_seq_printf_stats+0x3c/0x184 dev_seq_printf_stats from dev_seq_show+0x10/0x30 dev_seq_show from seq_read_iter+0x350/0x4ec seq_read_iter from seq_read+0xfc/0x194 seq_read from proc_reg_read+0xac/0x100 proc_reg_read from vfs_read+0xb0/0x2b0 vfs_read from ksys_read+0x6c/0xec ksys_read from ret_fast_syscall+0x0/0x1c Exception stack(0xf0b11fa8 to 0xf0b11ff0) 1fa0: 00000001 00001000 00000008 be9048d8 00001000 00000001 1fc0: 00000001 00001000 00000008 00000003 be905920 0000001e 00000000 00000001 1fe0: 0005404c be9048c0 00018684 b6ec2cd8

It seems that we are using a mutex in a atomic context which is wrong. Change the mutex with a spinlock.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

December 16, 2025

Last Modified

July 30, 2026

Advisory Details (4)

Auto-updated Jul 31, 2026
No patch confirmed yet.
generic

lan966x: Fix sleeping in atomic context - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c8ab03aa5bd9fd8bfe5d9552d8605826759fdd4d
generic

lan966x: Fix sleeping in atomic context - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5a5d2f7727752b64d13263eacd9f8d08a322e662
generic

lan966x: Fix sleeping in atomic context - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3ac743c60ec502163c435712d527eeced8d83348
generic

lan966x: Fix sleeping in atomic context - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/0216721ce71252f60d89af49c8dff613358058d3

Vendor Advisories for CVE-2025-68320(1)

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

Patch Availability(16)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-tools-nvidia-lowlatency-64k-6.8 (6.8.0-1049.52.1) @ noble2026-05-21ubuntu
ubuntulinux-tools-azure-edge (6.8.0-1051.57~22.04.1) @ jammy2026-05-21ubuntu
ubuntulinux-tools-azure-fips-6.8 (6.8.0-1052.58+fips1) @ noble2026-05-21ubuntu
ubuntulinux-tools-raspi-realtime-6.8 (6.8.0-2040.41) @ noble2026-05-21ubuntu
ubuntulinux-tools-gcp-fips-6.8 (6.8.0-1052.55+fips1) @ noble2026-05-21ubuntu
ubuntulinux-tools-realtime-6.8.1 (6.8.1-1045.46) @ noble2026-05-21ubuntu
ubuntulinux-tools-azure-lts-24.04 (6.8.0-1051.57) @ noble2026-05-21ubuntu
ubuntulinux-xilinx-zynqmp (6.8.0.1029.30) @ noble2026-05-21ubuntu
ubuntulinux-virtual-6.8 (6.8.0-106.106) @ noble2026-05-21ubuntu
ubuntulinux-tools-oem-6.17 (6.17.0-1011.11) @ noble2026-05-21ubuntu
ubuntulinux-virtual-hwe-24.04-edge (6.17.0-14.14) @ questing2026-05-21ubuntu
ubuntulinux-tools-azure-6.17 (6.17.0-1008.8) @ questing2026-05-21ubuntu
ubuntulinux-tools-aws-edge (6.8.0-1050.53~22.04.1) @ jammy2026-05-21ubuntu
ubuntulinux-tools-gcp-64k-6.17 (6.17.0-1007.7) @ questing2026-05-21ubuntu
ubuntulinux-tools-oracle-64k-6.17 (6.17.0-1007.7) @ questing2026-05-21ubuntu
linuxKernel @ 6.6.117—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.

All Vendor Advisories

(15)

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 14× in last 7d / 43× 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 130 total refreshes for this CVE.

  1. 2026-08-01 04:15 UTCEPSS rescore
  2. 2026-07-30 16:27 UTCEPSS rescore
  3. 2026-07-30 06:45 UTCEG score recompute
  4. 2026-07-30 06:45 UTCGHSA enrichment
  5. 2026-07-30 06:21 UTCEG score recompute▲ 7.50
  6. 2026-07-30 06:21 UTCGHSA enrichment
  7. 2026-07-30 06:18 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  8. 2026-07-30 01:30 UTCEPSS rescore
  9. 2026-07-27 14:13 UTCEPSS rescore
  10. 2026-07-27 04:39 UTCOSV refresh
  11. 2026-07-26 14:54 UTCEPSS rescore
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  17. 2026-07-23 03:02 UTCEG score recompute
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  25. 2026-07-16 17:02 UTCEPSS rescore
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  1. 2026-07-16 17:02 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
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  5. 2026-07-15 01:59 UTCEPSS rescore
  6. 2026-07-13 06:12 UTCEPSS rescore
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  9. 2026-07-11 08:27 UTCEPSS rescore
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  11. 2026-07-09 23:17 UTCOSV refresh
  12. 2026-07-09 19:10 UTCEPSS rescore
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  14. 2026-07-07 13:46 UTCEPSS rescore
  15. 2026-07-06 16:27 UTCEPSS rescore
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  20. 2026-06-30 23:22 UTCEPSS rescore
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  24. 2026-06-28 14:07 UTCEPSS rescore
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  26. 2026-06-28 04:56 UTCEPSS rescore
  27. 2026-06-28 04:56 UTCEPSS rescore
  28. 2026-06-27 03:08 UTCEPSS rescore
  29. 2026-06-25 13:49 UTCEPSS rescore
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  31. 2026-06-24 14:05 UTCEPSS rescore
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  36. 2026-06-21 14:56 UTCEPSS rescore
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  38. 2026-06-21 09:31 UTCOSV refresh
  39. 2026-06-21 01:59 UTCEPSS rescore
  40. 2026-06-21 01:59 UTCEPSS rescore
  41. 2026-06-19 19:25 UTCEPSS rescore
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  43. 2026-06-18 17:52 UTCEPSS rescore
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  45. 2026-06-17 17:53 UTCEPSS rescore
  46. 2026-06-16 17:52 UTCEPSS rescore
  47. 2026-06-15 17:48 UTCEPSS rescore
  48. 2026-06-14 23:18 UTCEPSS rescore
  49. 2026-06-13 23:00 UTCEPSS rescore
  50. 2026-06-13 23:00 UTCEPSS rescore
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  54. 2026-06-10 22:18 UTCEPSS rescore
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  56. 2026-06-08 14:17 UTCEPSS rescore
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  58. 2026-06-07 15:24 UTCEPSS rescore
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  60. 2026-06-06 13:47 UTCEPSS rescore
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  68. 2026-06-02 20:13 UTCEPSS rescore
  69. 2026-06-02 20:12 UTCEPSS rescore
  70. 2026-06-02 00:09 UTCOSV refresh
  71. 2026-06-01 13:51 UTCEPSS rescore
  72. 2026-06-01 13:51 UTCEPSS rescore
  73. 2026-05-31 22:30 UTCEPSS rescore
  74. 2026-05-31 22:30 UTCEPSS rescore
  75. 2026-05-31 00:16 UTCEPSS rescore

Related CVEs(same product + same vendor)

Frequently asked(5)

What is CVE-2025-68320?
CVE-2025-68320 is a high vulnerability published on December 16, 2025. In the Linux kernel, the following vulnerability has been resolved: lan966x: Fix sleeping in atomic context The following warning was seen when we try to connect using ssh to the device. BUG: sleeping function called from invalid context at kernel/locking/mutex.c:575 inatomic(): 1, irqsdisabled():…
When was CVE-2025-68320 disclosed?
CVE-2025-68320 was first published in the National Vulnerability Database on December 16, 2025, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-68320 actively exploited?
CVE-2025-68320 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 71.4% of all scored CVEs.
What is the CVSS score of CVE-2025-68320?
CVE-2025-68320 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2025-68320?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-68320, 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.

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