CVE-2024-43832

s390/uv: Don't call folio_wait_writeback() without a folio reference

Description

In the Linux kernel, the following vulnerability has been resolved: s390/uv: Don't call folio_wait_writeback() without a folio reference folio_wait_writeback() requires that no spinlocks are held and that a folio reference is held, as documented. After we dropped the PTL, the folio could get freed concurrently. So grab a temporary reference.

N/A

CVSS

Severity:

EPSS 0.09%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/1a1eb2f3fc453dcd52726d13e863938561489cb7
https://git.kernel.org/stable/c/8736604ef53359a718c246087cd21dcec232d2fb
https://git.kernel.org/stable/c/b21aba72aadd94bdac275deab021fc84d6c72b16
https://git.kernel.org/stable/c/3f29f6537f54d74e64bac0a390fb2e26da25800d

Frequently Asked Questions

What is the severity of CVE-2024-43832?: CVE-2024-43832 has not yet been assigned a CVSS score.
How to fix CVE-2024-43832?: To fix CVE-2024-43832, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-43832 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-43832 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-43832?: CVE-2024-43832 affects Linux Linux, Linux Linux.

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