CVE - CVE-2021-47190

CVE-ID
CVE-2021-47190	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: perf bpf: Avoid memory leak from perf_env__insert_btf() perf_env__insert_btf() doesn't insert if a duplicate BTF id is encountered and this causes a memory leak. Modify the function to return a success/error value and then free the memory if insertion didn't happen. v2. Adds a return -1 when the insertion error occurs in perf_env__fetch_btf. This doesn't affect anything as the result is never checked.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/11589d3144bc4e272e0aae46ce8156162e99babc URL:https://git.kernel.org/stable/c/11589d3144bc4e272e0aae46ce8156162e99babc MISC:https://git.kernel.org/stable/c/4924b1f7c46711762fd0e65c135ccfbcfd6ded1f URL:https://git.kernel.org/stable/c/4924b1f7c46711762fd0e65c135ccfbcfd6ded1f MISC:https://git.kernel.org/stable/c/642fc22210a5e59d40b1e4d56d21ec3effd401f2 URL:https://git.kernel.org/stable/c/642fc22210a5e59d40b1e4d56d21ec3effd401f2 MISC:https://git.kernel.org/stable/c/ab7c3d8d81c511ddfb27823fb07081c96422b56e URL:https://git.kernel.org/stable/c/ab7c3d8d81c511ddfb27823fb07081c96422b56e
Assigning CNA
kernel.org
Date Record Created
20240325	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240325)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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