Bug 2282408 (CVE-2021-47346) - CVE-2021-47346 kernel: coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer()
Summary: CVE-2021-47346 kernel: coresight: tmc-etf: Fix global-out-of-bounds in tmc_up...
Keywords:
Status: NEW
Alias: CVE-2021-47346
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2282499
TreeView+ depends on / blocked
 
Reported: 2024-05-22 11:18 UTC by ybuenos
Modified: 2024-07-10 22:14 UTC (History)
50 users (show)

Fixed In Version: kernel 4.19.198, kernel 5.4.133, kernel 5.10.51, kernel 5.12.18, kernel 5.13.3, kernel 5.14
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Description ybuenos 2024-05-22 11:18:11 UTC
In the Linux kernel, the following vulnerability has been resolved:

coresight: tmc-etf: Fix global-out-of-bounds in tmc_update_etf_buffer()

The Linux kernel CVE team has assigned CVE-2021-47346 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024052139-CVE-2021-47346-dcfa@gregkh/T

Comment 2 Alex 2024-06-09 15:37:16 UTC
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2021-47346 is: CHECK	Maybe valid. Check manually. with impact MODERATE (that is approximation based on flags READ KASAN OOB IMPROVEONLY  ; these flags parsed automatically based on patche data). Such automatic check happens only for Low/Moderates (and only when not from reporter, but parsing already existing CVE). Highs always checked manually (I check it myself and then we check it again in Remediation team). In rare cases some of the Moderates could be increased to High later.


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