CVE-2022-50099
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: arkfb: Check the size of screen before memset_io()
In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memset_io() In the function arkfb_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: [ 659.399066] BUG: unable to handle page fault for address: ffffc90003000000 [ 659.399077] #PF: supervisor write access in kernel mode [ 659.399079] #PF: error_code(0x0002) - not-present page [ 659.399094] RIP: 0010:memset_orig+0x33/0xb0 [ 659.399116] Call Trace: [ 659.399122] arkfb_set_par+0x143f/0x24c0 [ 659.399130] fb_set_var+0x604/0xeb0 [ 659.399161] do_fb_ioctl+0x234/0x670 [ 659.399189] fb_ioctl+0xdd/0x130 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) |
|---|---|---|---|---|---|
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 4a20c5510aa2c031a096a58deb356e91609781c9 | Unavailable | None listed |
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 352305ea50d682b8e081d826da53caf9e744d7d0 | Unavailable | None listed |
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 53198b81930e567ad6b879812d88052a1e8ac79e | Unavailable | None listed |
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 09e733d6ac948e6fda4b16252e44ea46f98fc8b4 | Unavailable | None listed |
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 0701df594bc1d7ae55fed407fb65dd90a93f8a9c | Unavailable | None listed |
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 8bcb1a06e3091716b7cbebe0e91d1de9895068cd | Unavailable | None listed |
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 2ce61c39c2a0b8ec82f48e0f7136f0dac105ae75 | Unavailable | None listed |
| 681e14730c73cc2c71af282c001de6bc71c22f00 | affected | git | 96b550971c65d54d64728d8ba973487878a06454 | 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) |
|---|---|---|---|---|---|
| 2.6.22 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.22 | 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 |