CVE-2022-50097

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2025-06-18. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: 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:

video: fbdev: s3fb: Check the size of screen before memset_io()

In the function s3fb_set_par(), the value of 'screen_size' is calculated by the user input. If the user provides the improper value, the value of 'screen_size' may larger than 'info->screen_size', which may cause the following bug:

[ 54.083733] BUG: unable to handle page fault for address: ffffc90003000000 [ 54.083742] #PF: supervisor write access in kernel mode [ 54.083744] #PF: error_code(0x0002) - not-present page [ 54.083760] RIP: 0010:memset_orig+0x33/0xb0 [ 54.083782] Call Trace: [ 54.083788] s3fb_set_par+0x1ec6/0x4040 [ 54.083806] fb_set_var+0x604/0xeb0 [ 54.083836] do_fb_ioctl+0x234/0x670

Fix the this by checking the value of 'screen_size' before memset_io().

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

June 18, 2025

Last Modified

August 5, 2026

Advisory Details (8)

Auto-updated Aug 5, 2026
No patch confirmed yet.
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6ba592fa014f21f35a8ee8da4ca7b95a018f13e8
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/e2d7cacc6a2a1d77e7e20a492daf458a12cf19e0
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/52461d387cc8c8f8dc40320caa2e9e101f73e7ba
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/ce50d94afcb8690813c5522f24cd38737657db81
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/5e0da18956d38e7106664dc1d06367b22f06edd3
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/eacb50f1733660911827d7c3720f4c5425d0cdda
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/3c35a0dc2b4e7acf24c796043b64fa3eee799239
generic

video: fbdev: s3fb: Check the size of screen before memset_io() - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/574912261528589012b61f82d368256247c3a5a8

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 4.14.291—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.

Data Freshness Timeline

(refreshed 13× in last 7d / 51× 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 118 total refreshes for this CVE.

  1. 2026-08-07 16:24 UTCEPSS rescore
  2. 2026-08-06 13:44 UTCEPSS rescore
  3. 2026-08-05 19:15 UTCEPSS rescore
  4. 2026-08-05 09:22 UTCEG score recompute
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  1. 2026-07-23 02:16 UTCEG score recompute
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Frequently asked(5)

What is CVE-2022-50097?
CVE-2022-50097 is a high vulnerability published on June 18, 2025. In the Linux kernel, the following vulnerability has been resolved: video: fbdev: s3fb: Check the size of screen before memset_io() In the function s3fbsetpar(), the value of 'screen_size' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger…
When was CVE-2022-50097 disclosed?
CVE-2022-50097 was first published in the National Vulnerability Database on June 18, 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-2022-50097 actively exploited?
CVE-2022-50097 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 93.5% of all scored CVEs.
What is the CVSS score of CVE-2022-50097?
CVE-2022-50097 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2022-50097?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-50097, 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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