boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2022-50097HIGH
Linux Linux — video: fbdev: s3fb: Check the size of screen before memset_io()
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   L   L   L   N  U  H  H  H    7.8   .0018    7.3     —
AFFECTED
  Product  Versions                                    Fixed
  Linux    a268422de8bf1b4c0cb97987b6c329c9f6a3da4b –  —
  Linux    2.6.21 –                                    4.14.291
TIMELINE
  Jun 18  Reserved by Linux
  Jun 18  Published (CNA: Linux)
  Aug 4   RESCORED — CVE-2022-50097 (Linux). CVSS 7.1 → 7.8 (NVD).
CNA: Linux · CVSS v3.1 · 8 references · NVD status: Modified

Description

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().

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
June 18, 2025ReservedReserved by Linux
June 18, 2025PublishedPublished (CNA: Linux)
August 4, 2026RESCOREDRESCORED — CVE-2022-50097 (Linux). CVSS 7.1 → 7.8 (NVD).

Affected

Affected products and packages — 2 rows
VendorProduct / PackageEcosystemVersion introducedFixed
LinuxLinuxa268422de8bf1b4c0cb97987b6c329c9f6a3da4b
LinuxLinux2.6.214.14.291

References (8)

Related

Authoritative record: CVE-2022-50097 at cve.org

Vendors: linux

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-50097 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.