CVE - CVE-2021-47006

CVE-ID
CVE-2021-47006	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: ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook The commit 1879445dfa7b ("perf/core: Set event's default ::overflow_handler()") set a default event->overflow_handler in perf_event_alloc(), and replace the check event->overflow_handler with is_default_overflow_handler(), but one is missing. Currently, the bp->overflow_handler can not be NULL. As a result, enable_single_step() is always not invoked. Comments from Zhen Lei: https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210207105934.2001-1-thunder.leizhen@huawei.com/
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/3ed8832aeaa9a37b0fc386bb72ff604352567c80 URL:https://git.kernel.org/stable/c/3ed8832aeaa9a37b0fc386bb72ff604352567c80 MISC:https://git.kernel.org/stable/c/555a70f7fff03bd669123487905c47ae27dbdaac URL:https://git.kernel.org/stable/c/555a70f7fff03bd669123487905c47ae27dbdaac MISC:https://git.kernel.org/stable/c/630146203108bf6b8934eec0dfdb3e46dcb917de URL:https://git.kernel.org/stable/c/630146203108bf6b8934eec0dfdb3e46dcb917de MISC:https://git.kernel.org/stable/c/7eeacc6728c5478e3c01bc82a1f08958eaa12366 URL:https://git.kernel.org/stable/c/7eeacc6728c5478e3c01bc82a1f08958eaa12366 MISC:https://git.kernel.org/stable/c/a506bd5756290821a4314f502b4bafc2afcf5260 URL:https://git.kernel.org/stable/c/a506bd5756290821a4314f502b4bafc2afcf5260 MISC:https://git.kernel.org/stable/c/a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb URL:https://git.kernel.org/stable/c/a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb MISC:https://git.kernel.org/stable/c/dabe299425b1a53a69461fed7ac8922ea6733a25 URL:https://git.kernel.org/stable/c/dabe299425b1a53a69461fed7ac8922ea6733a25 MISC:https://git.kernel.org/stable/c/ed1f67465327cec4457bb988775245b199da86e6 URL:https://git.kernel.org/stable/c/ed1f67465327cec4457bb988775245b199da86e6
Assigning CNA
kernel.org
Date Record Created
20240227	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 (20240227)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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