Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: avoided format-overflow warnings With GCC and the W=1 option, there is a warning like this: fs/f2fs/compress.c: In the function ‘f2fsinitpagearraycache’: fs/f2fs/compress.c:1984:47: Error: The ‘%u’ directive is writing 1 to...

CVE-2026-31702

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

EUVD-2026-26511

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

CVE-2026-31702

Summary of CVE-2026-31702 details from connected docs: The vulnerability is in the Linux kernel’s f2fs compression path. In f2fs_compress_write_end_io(), dec_page_count(sbi, type) could decrement the F2FS_WB_CP_DATA counter to zero while a concurrent unmount is unrolling, leading to a use-after-f...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989693)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989693 advisory. 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:...

SUSE CVE-2023-52748

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 'f2fsinitpagearraycache': fs/f2fs/compress.c:1984:47: error: '%u' directive writing between 1 and 7 bytes...