Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fixed the issue of unpinning the head page of a folio. syzbot reports an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops – BUG: 00000000f2000800 1 SMP 108.123672 T14...

SUSE CVE-2025-38256

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

DEBIAN-CVE-2025-38256

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

CVE-2025-38256

CVE-2025-38256 involves io_uring/rsrc folio unpinning in the Linux kernel. The issue arises when pinning a folio’s tail page and then unpinning the head page via unpin_user_page*, which can trigger a debug warning in mm/gup.c. The provided connected Astra Linux bulletin confirms the root cause an...

CVE-2025-38256 io_uring/rsrc: fix folio unpinning

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

CVE-2025-38256 io_uring/rsrc: fix folio unpinning

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

CVE-2025-38256

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: fix folio unpinning syzbot complains about an unmapping failure: 108.070381 T14 kernel BUG at mm/gup.c:71! 108.070502 T14 Internal error: Oops - BUG: 00000000f2000800 1 SMP 108.123672 T14 Hardware name: QEMU KVM...

PT-2025-28884 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: A flaw exists in the Linux kernel's io uring resource management related to folio unpinning. Specifically, the issue arises when a tail page of a folio is pinned, and the io uring...