CVE-2021-47478

isofs: Fix out of bound access for corrupted isofs image

Description

In the Linux kernel, the following vulnerability has been resolved: isofs: Fix out of bound access for corrupted isofs image When isofs image is suitably corrupted isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f patch
https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e patch
https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f patch
https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 patch
https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 patch
https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 patch
https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 patch
https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d patch
https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 patch

Frequently Asked Questions

What is the severity of CVE-2021-47478?
CVE-2021-47478 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47478?
To fix CVE-2021-47478, 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-2021-47478 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47478 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-2021-47478?
CVE-2021-47478 affects Linux Linux, Linux Linux.
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