Bug 1580583 (CVE-2018-11232)

Summary: CVE-2018-11232 kernel: coresight: kernel panic caused by invalid CPU
Product: [Other] Security Response Reporter: Laura Pardo <lpardo>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: abhgupta, airlied, aquini, bhu, blc, bskeggs, dbaker, dhoward, esammons, ewk, fhrbata, hdegoede, hkrzesin, hwkernel-mgr, iboverma, ichavero, itamar, jarodwilson, jforbes, jglisse, jkacur, john.j5live, jokerman, jonathan, josef, jross, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, lwang, matt, mchehab, mcressma, mguzik, mjg59, mlangsdo, nmurray, plougher, rt-maint, rvrbovsk, skozina, slawomir, steved, sthangav, trankin, williams, wmealing, yozone
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kernel 4.10.2 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Linux kernel in the way the etm_setup_aux function in drivers/hwtracing/coresight/coresight-etm-perf.c allows attackers to cause a denial of service by crashing the system, or possibly corrupting memory resources intended for a differently specified CPU.
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-06-28 12:37:17 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1582365, 1582366    
Bug Blocks: 1580585    

Description Laura Pardo 2018-05-21 20:40:13 UTC
A flaw was found in the Linux kernel before 4.10.2. The etm_setup_aux function in drivers/hwtracing/coresight/coresight-etm-perf.c allows attackers to cause a denial of by crashing the system, or possibly corrupting memory resources intended for a differently specified CPU.


References:
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.2

Upstream patch:
https://github.com/torvalds/linux/commit/f09444639099584bc4784dfcd85ada67c6f33e0f
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f09444639099584bc4784dfcd85ada67c6f33e0f