CVE-2021-47351
High
Description
In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix races between xattr_{set|get} and listxattr operations UBIFS may occur some problems with concurrent xattr_{set|get} and listxattr operations, such as assertion failure, memory corruption, stale xattr value[1]. Fix it by importing a new rw-lock in @ubifs_inode to serilize write operations on xattr, concurrent read operations are still effective, just like ext4. [1] https://lore.kernel.org/linux-mtd/[email protected]
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 21, 2024
First seenMay 21, 2024
How to fix
Update
- linux linux_kernel5.4.133, 5.10.51, 5.12.18, 5.13.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.27 ≤ v < 5.4.133, 5.5 ≤ v < 5.10.51, 5.11 ≤ v < 5.12.18, 5.13 ≤ v < 5.13.3 | 5.4.133, 5.10.51, 5.12.18, 5.13.3 |
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