Description (CNA)
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/
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before 555a70f7fff03bd669123487905c47ae27dbdaac; affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before ed1f67465327cec4457bb988775245b199da86e6; affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb; affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before 3ed8832aeaa9a37b0fc386bb72ff604352567c80; affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before 630146203108bf6b8934eec0dfdb3e46dcb917de; affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before 7eeacc6728c5478e3c01bc82a1f08958eaa12366; affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before dabe299425b1a53a69461fed7ac8922ea6733a25; affected 1879445dfa7bbd6fe21b09c5cc72f4934798afed before a506bd5756290821a4314f502b4bafc2afcf5260 |
| Linux / Linux | affected 4.7; unaffected 0 before 4.7; unaffected 4.9.269 through 4.9.*; unaffected 4.14.233 through 4.14.*; unaffected 4.19.191 through 4.19.*; unaffected 5.4.120 through 5.4.*; unaffected 5.10.38 through 5.10.*; unaffected 5.11.22 through 5.11.*; unaffected 5.12.5 through 5.12.*; unaffected 5.13 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/555a70f7fff03bd669123487905c47ae27dbdaac
- https://git.kernel.org/stable/c/ed1f67465327cec4457bb988775245b199da86e6
- https://git.kernel.org/stable/c/a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb
- https://git.kernel.org/stable/c/3ed8832aeaa9a37b0fc386bb72ff604352567c80
- https://git.kernel.org/stable/c/630146203108bf6b8934eec0dfdb3e46dcb917de
- https://git.kernel.org/stable/c/7eeacc6728c5478e3c01bc82a1f08958eaa12366
- https://git.kernel.org/stable/c/dabe299425b1a53a69461fed7ac8922ea6733a25
- https://git.kernel.org/stable/c/a506bd5756290821a4314f502b4bafc2afcf5260
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.
- https://git.kernel.org/stable/c/555a70f7fff03bd669123487905c47ae27dbdaac
- https://git.kernel.org/stable/c/ed1f67465327cec4457bb988775245b199da86e6
- https://git.kernel.org/stable/c/a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb
- https://git.kernel.org/stable/c/3ed8832aeaa9a37b0fc386bb72ff604352567c80
- https://git.kernel.org/stable/c/630146203108bf6b8934eec0dfdb3e46dcb917de
- https://git.kernel.org/stable/c/7eeacc6728c5478e3c01bc82a1f08958eaa12366
- https://git.kernel.org/stable/c/dabe299425b1a53a69461fed7ac8922ea6733a25
- https://git.kernel.org/stable/c/a506bd5756290821a4314f502b4bafc2afcf5260