What is CVE-2021-47351?

CVE-2021-47351 is a high-severity vulnerability in Linux, classified under Reachable Assertion. CVSS score: 7.8/10. Published 2024-05-21.

How severe is CVE-2021-47351?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Linux

CVE-2021-47351

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/20200630130438.141649-1-houtao1@huawei.com

EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 1e51764a3c2ac05a23a22b2a95ddee4d9bffb16d, 2.6.27, 0
Linux Linux_kernel

Weakness classification (CWE)

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-47351?: CVE-2021-47351 is a high-severity vulnerability in Linux, classified under Reachable Assertion. CVSS score: 7.8/10. Published 2024-05-21.
How severe is CVE-2021-47351?: High severity. CVSS v3 base score is 7.8 out of 10.