CVE-2015-7891
Race condition in the ioctl implementation in the Samsung Graphics 2D driver (aka /dev/fimg2d) in Samsung devices with Android L(5.0/5.1) allows local users to trigger memory errors by leveraging definition of g2d_lock and g2d_unlock lock macros as…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Race condition in the ioctl implementation in the Samsung Graphics 2D driver (aka /dev/fimg2d) in Samsung devices with Android L(5.0/5.1) allows local users to trigger memory errors by leveraging definition of g2d_lock and g2d_unlock lock macros as no-ops, aka SVE-2015-4598.
- CVSS 3.0
- 7.0 HIGHCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.67% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- samsung/samsung mobile
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.htmlExploit, Third Party Advisory, VDB Entry
- http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015Vendor Advisory
- http://www.securityfocus.com/bid/77335Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=492Issue Tracking, Third Party Advisory
- https://www.exploit-db.com/exploits/38557/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.htmlExploit, Third Party Advisory, VDB Entry
- http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015Vendor Advisory
- http://www.securityfocus.com/bid/77335Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=492Issue Tracking, Third Party Advisory
- https://www.exploit-db.com/exploits/38557/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.