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CVE-2022-50099

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().

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorLinux
≫
Product Linux
Default Statusunaffected
Version < 4a20c5510aa2c031a096a58deb356e91609781c9
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
Version < 352305ea50d682b8e081d826da53caf9e744d7d0
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
Version < 53198b81930e567ad6b879812d88052a1e8ac79e
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
Version < 09e733d6ac948e6fda4b16252e44ea46f98fc8b4
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
Version < 0701df594bc1d7ae55fed407fb65dd90a93f8a9c
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
Version < 8bcb1a06e3091716b7cbebe0e91d1de9895068cd
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
Version < 2ce61c39c2a0b8ec82f48e0f7136f0dac105ae75
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
Version < 96b550971c65d54d64728d8ba973487878a06454
Version 681e14730c73cc2c71af282c001de6bc71c22f00
Status affected
VendorLinux
≫
Product Linux
Default Statusaffected
Version 2.6.22
Status affected
Version < 2.6.22
Version 0
Status unaffected
Version <= 4.14.*
Version 4.14.291
Status unaffected
Version <= 4.19.*
Version 4.19.256
Status unaffected
Version <= 5.4.*
Version 5.4.211
Status unaffected
Version <= 5.10.*
Version 5.10.137
Status unaffected
Version <= 5.15.*
Version 5.15.61
Status unaffected
Version <= 5.18.*
Version 5.18.18
Status unaffected
Version <= 5.19.*
Version 5.19.2
Status unaffected
Version <= *
Version 6.0
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.04% 0.094
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string