CVE-2025-37894

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2025-05-20. 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:

net: use sock_gen_put() when sk_state is TCP_TIME_WAIT

It is possible for a pointer of type struct inet_timewait_sock to be returned from the functions __inet_lookup_established() and __inet6_lookup_established(). This can cause a crash when the returned pointer is of type struct inet_timewait_sock and sock_put() is called on it. The following is a crash call stack that shows sk->sk_wmem_alloc being accessed in sk_free() during the call to sock_put() on a struct inet_timewait_sock pointer. To avoid this issue, use sock_gen_put() instead of sock_put() when sk->sk_state is TCP_TIME_WAIT.

mrdump.ko ipanic() + 120 vmlinux notifier_call_chain(nr_to_call=-1, nr_calls=0) + 132 vmlinux atomic_notifier_call_chain(val=0) + 56 vmlinux panic() + 344 vmlinux add_taint() + 164 vmlinux end_report() + 136 vmlinux kasan_report(size=0) + 236 vmlinux report_tag_fault() + 16 vmlinux do_tag_recovery() + 16 vmlinux __do_kernel_fault() + 88 vmlinux do_bad_area() + 28 vmlinux do_tag_check_fault() + 60 vmlinux do_mem_abort() + 80 vmlinux el1_abort() + 56 vmlinux el1h_64_sync_handler() + 124 vmlinux > 0xFFFFFFC080011294() vmlinux __lse_atomic_fetch_add_release(v=0xF2FFFF82A896087C) vmlinux __lse_atomic_fetch_sub_release(v=0xF2FFFF82A896087C) vmlinux arch_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux raw_atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux atomic_fetch_sub_release(i=1, v=0xF2FFFF82A896087C) + 8 vmlinux __refcount_sub_and_test(i=1, r=0xF2FFFF82A896087C, oldp=0) + 8 vmlinux __refcount_dec_and_test(r=0xF2FFFF82A896087C, oldp=0) + 8 vmlinux refcount_dec_and_test(r=0xF2FFFF82A896087C) + 8 vmlinux sk_free(sk=0xF2FFFF82A8960700) + 28 vmlinux sock_put() + 48 vmlinux tcp6_check_fraglist_gro() + 236 vmlinux tcp6_gro_receive() + 624 vmlinux ipv6_gro_receive() + 912 vmlinux dev_gro_receive() + 1116 vmlinux napi_gro_receive() + 196 ccmni.ko ccmni_rx_callback() + 208 ccmni.ko ccmni_queue_recv_skb() + 388 ccci_dpmaif.ko dpmaif_rxq_push_thread() + 1088 vmlinux kthread() + 268 vmlinux 0xFFFFFFC08001F30C()

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
38%
KEV
Not listed

Published

May 20, 2025

Last Modified

August 5, 2026

Advisory Details (3)

Auto-updated Aug 2, 2026
No patch confirmed yet.
generic

net: use sock_gen_put() when sk_state is TCP_TIME_WAIT - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f920436a44295ca791ebb6dae3f4190142eec703
generic

net: use sock_gen_put() when sk_state is TCP_TIME_WAIT - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c0dba059b118b5206e755042b15b49368a388898
generic

net: use sock_gen_put() when sk_state is TCP_TIME_WAIT - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/786650e644c5b1c063921799ca203c0b8670d79a

Patch Availability(7)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-virtual-hwe-24.04-edge (6.14.0-24.24) @ plucky2026-05-30ubuntu
ubuntulinux-tools-azure-6.14 (6.14.0-1010.10) @ plucky2026-05-30ubuntu
ubuntulinux-tools-oem-6.14 (6.14.0-1007.7) @ noble2026-05-30ubuntu
ubuntulinux-tools-aws-64k-6.14 (6.14.0-1009.9) @ plucky2026-05-30ubuntu
ubuntulinux-tools-oracle-64k-6.14 (6.14.0-1009.9) @ plucky2026-05-30ubuntu
ubuntulinux-tools-aws-edge (6.14.0-1009.9~24.04.1) @ noble2026-05-30ubuntu
linuxKernel @ 6.12.28—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

(2 across 2 ecosystems)
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—6.12.29-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—6.12.29-1—

Weakness Classification(1)

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

All Vendor Advisories

(6)

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 5× in last 7d / 24× 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 145 total refreshes for this CVE.

  1. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-17 19:29 UTCEPSS rescore
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  1. 2026-08-21 23:48 UTCEPSS rescore
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  3. 2026-08-20 22:01 UTCOSV refresh
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  6. 2026-08-18 13:47 UTCEPSS rescore
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  16. 2026-08-05 13:55 UTCEG score recompute
  17. 2026-08-05 13:55 UTCVendor advisory
  18. 2026-08-05 13:55 UTCGHSA enrichment
  19. 2026-08-04 15:09 UTCEPSS rescore
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  22. 2026-07-30 16:27 UTCEPSS rescore
  23. 2026-07-30 07:10 UTCEG score recompute
  24. 2026-07-30 07:10 UTCGHSA enrichment
  25. 2026-07-30 01:29 UTCEPSS rescore
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  27. 2026-07-26 14:54 UTCEPSS rescore
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  30. 2026-07-24 14:17 UTCEPSS rescore
  31. 2026-07-24 05:41 UTCOSV refresh
  32. 2026-07-23 02:54 UTCEG score recompute
  33. 2026-07-22 14:07 UTCEPSS rescore
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  55. 2026-07-07 13:45 UTCEPSS rescore
  56. 2026-07-07 00:51 UTCOSV refresh
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Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-37894?
CVE-2025-37894 is a medium vulnerability published on May 20, 2025. In the Linux kernel, the following vulnerability has been resolved: net: use sockgenput() when skstate is TCPTIME_WAIT It is possible for a pointer of type struct inettimewaitsock to be returned from the functions inetlookupestablished() and inet6lookupestablished(). This can cause a crash when the…
When was CVE-2025-37894 disclosed?
CVE-2025-37894 was first published in the National Vulnerability Database on May 20, 2025, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-37894 actively exploited?
CVE-2025-37894 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 61.6% of all scored CVEs.
What is the CVSS score of CVE-2025-37894?
CVE-2025-37894 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2025-37894?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-37894, 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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