CVE-2022-50097
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
video: fbdev: s3fb: Check the size of screen before memset_io()
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().
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | 574912261528589012b61f82d368256247c3a5a8 | Unavailable | None listed |
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | 3c35a0dc2b4e7acf24c796043b64fa3eee799239 | Unavailable | None listed |
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | eacb50f1733660911827d7c3720f4c5425d0cdda | Unavailable | None listed |
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | 5e0da18956d38e7106664dc1d06367b22f06edd3 | Unavailable | None listed |
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | ce50d94afcb8690813c5522f24cd38737657db81 | Unavailable | None listed |
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | 52461d387cc8c8f8dc40320caa2e9e101f73e7ba | Unavailable | None listed |
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | e2d7cacc6a2a1d77e7e20a492daf458a12cf19e0 | Unavailable | None listed |
| a268422de8bf1b4c0cb97987b6c329c9f6a3da4b | affected | git | 6ba592fa014f21f35a8ee8da4ca7b95a018f13e8 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.6.21 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.21 | Unavailable | None listed |
| 4.14.291 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.256 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.211 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.137 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.61 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.18.18 | unaffected | semver | Unavailable | 5.18.* | None listed |
| 5.19.2 | unaffected | semver | Unavailable | 5.19.* | None listed |
| 6.0 | unaffected | original_commit_for_fix | Unavailable | * | None listed |