CVE-2022-49112

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2025-10-14. 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

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

mt76: fix monitor mode crash with sdio driver

mt7921s driver may receive frames with fragment buffers. If there is a CTS packet received in monitor mode, the payload is 10 bytes only and need 6 bytes header padding after RXD buffer. However, only RXD in the first linear buffer, if we pull buffer size RXD-size+6 bytes with skb_pull(), that would trigger "BUG_ON(skb->len < skb->data_len)" in __skb_pull().

To avoid the nonlinear buffer issue, enlarge the RXD size from 128 to 256 to make sure all MCU operation in linear buffer.

[ 52.007562] kernel BUG at include/linux/skbuff.h:2313! [ 52.007578] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 52.007987] pc : skb_pull+0x48/0x4c [ 52.008015] lr : mt7921_queue_rx_skb+0x494/0x890 [mt7921_common] [ 52.008361] Call trace: [ 52.008377] skb_pull+0x48/0x4c [ 52.008400] mt76s_net_worker+0x134/0x1b0 [mt76_sdio 35339a92c6eb7d4bbcc806a1d22f56365565135c] [ 52.008431] __mt76_worker_fn+0xe8/0x170 [mt76 ef716597d11a77150bc07e3fdd68eeb0f9b56917] [ 52.008449] kthread+0x148/0x3ac [ 52.008466] ret_from_fork+0x10/0x30

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
16%
KEV
Not listed

Published

February 26, 2025

Last Modified

August 13, 2026

Advisory Details (3)

Auto-updated Aug 13, 2026
No patch confirmed yet.
generic

mt76: fix monitor mode crash with sdio driver - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/123bc712b1de0805f9d683687e17b1ec2aba0b68
generic

mt76: fix monitor mode crash with sdio driver - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/95e2af01669c7a3cb7a933cefa06361f9db15059
generic

mt76: fix monitor mode crash with sdio driver - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/c37b4cab3d97ef64b206fca4d9daabd9aff7356e

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 5.16.20—osv
linuxKernel @ 5.15.34—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

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
linux5.10.103-1 ... 7.2~rc5-1~exp1 (496 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
linux—5.17.3-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
linux—5.17.3-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
linux—5.17.3-1—

Data Freshness Timeline

(refreshed 4× in last 7d / 21× 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 152 total refreshes for this CVE.

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

Related CVEs(same product)

Frequently asked(5)

What is CVE-2022-49112?
CVE-2022-49112 is a medium vulnerability published on February 26, 2025. In the Linux kernel, the following vulnerability has been resolved: mt76: fix monitor mode crash with sdio driver mt7921s driver may receive frames with fragment buffers. If there is a CTS packet received in monitor mode, the payload is 10 bytes only and need 6 bytes header padding after RXD…
When was CVE-2022-49112 disclosed?
CVE-2022-49112 was first published in the National Vulnerability Database on February 26, 2025, with the most recent update on August 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-49112 actively exploited?
CVE-2022-49112 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 84.2% of all scored CVEs.
What is the CVSS score of CVE-2022-49112?
CVE-2022-49112 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2022-49112?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-49112, 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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