CVE-2023-52748

f2fs: avoid format-overflow warning

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid format-overflow warning With gcc and W=1 option, there's a warning like this: fs/f2fs/compress.c: In function ‘f2fs_init_page_array_cache’: fs/f2fs/compress.c:1984:47: error: ‘%u’ directive writing between 1 and 7 bytes into a region of size between 5 and 8 [-Werror=format-overflow=] 1984 | sprintf(slab_name, "f2fs_page_array_entry-%u:%u", MAJOR(dev), MINOR(dev)); | ^~ String "f2fs_page_array_entry-%u:%u" can up to 35. The first "%u" can up to 4 and the second "%u" can up to 7, so total size is "24 + 4 + 7 = 35". slab_name's size should be 35 rather than 32.

N/A

CVSS

Severity:

EPSS 0.14%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/c041f5ddef00c731c541e00bc8ae97b8c84c682f
https://git.kernel.org/stable/c/e4088d7d8f1123006d46a42edf51b8c960a58ef9
https://git.kernel.org/stable/c/526dd7540a09ecf87b5f54f3ab4e0a2528f25a79
https://git.kernel.org/stable/c/6fca08fd3085253b48fcb1bd243a0a5e18821a00
https://git.kernel.org/stable/c/3eebe636cac53886bd5d1cdd55e082ec9e84983f
https://git.kernel.org/stable/c/e0d4e8acb3789c5a8651061fbab62ca24a45c063

Frequently Asked Questions

What is the severity of CVE-2023-52748?: CVE-2023-52748 has not yet been assigned a CVSS score.
How to fix CVE-2023-52748?: To fix CVE-2023-52748, 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-2023-52748 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-52748 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-2023-52748?: CVE-2023-52748 affects Linux Linux, Linux Linux.

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