CVE-2021-47048
גבוהה 7.8
תיאור (מקור, אנגלית)
In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op When handling op->addr, it is using the buffer "tmpbuf" which has been freed. This will trigger a use-after-free KASAN warning. Let's use temporary variables to store op->addr.val and op->cmd.opcode to fix this issue.
מדדים
- CVSS 3.1
-
7.8 (HIGH)
מקור הציון: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-5/8/2026
- CWE
- CWE-416
מוצרים מושפעים
linux: linux kernel
קישורים
- https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a Patch
- https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c Patch
- https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 Patch
- https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 Patch
- https://git.kernel.org/stable/c/1231279389b5e638bc3b66b9741c94077aed4b5a Patch
- https://git.kernel.org/stable/c/23269ac9f123eca3aea7682d3345c02e71ed696c Patch
- https://git.kernel.org/stable/c/a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 Patch
- https://git.kernel.org/stable/c/d67e0d6bd92ebbb0294e7062bbf5cdc773764e62 Patch