CVE-2021-47048
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedFeb 28, 2024
First seenFeb 28, 2024
How to fix
Update
- linux linux_kernel5.10.37, 5.11.21, 5.12.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.10 ≤ v < 5.10.37, 5.11 ≤ v < 5.11.21, 5.12 ≤ v < 5.12.4 | 5.10.37, 5.11.21, 5.12.4 |
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