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 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...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a folio unbinding error in iouring resource handling, which could lead to memory management exceptions...

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...

CVE-2025-38220

In the Linux kernel, the following vulnerability has been resolved: ext4: only dirty folios when data journaling regular files fstest generic/388 occasionally reproduces a crash that looks as follows: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... Call Trace:...

UBUNTU-CVE-2025-38220

In the Linux kernel, the following vulnerability has been resolved: ext4: only dirty folios when data journaling regular files fstest generic/388 occasionally reproduces a crash that looks as follows: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... Call Trace:...

CVE-2025-38220 ext4: only dirty folios when data journaling regular files

In the Linux kernel, the following vulnerability has been resolved: ext4: only dirty folios when data journaling regular files fstest generic/388 occasionally reproduces a crash that looks as follows: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... Call Trace:...

PT-2025-27995

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been identified, which can cause a kernel NULL pointer dereference when processing a symlink inode from the orphan list. This issue arises due t...

SUSE CVE-2025-38102

In the Linux kernel, the following vulnerability has been resolved: VMCI: fix race between vmcihostsetupnotify and vmcictxunsetnotify During our test, it is found that a warning can be trigger in trygrabfolio as follow: ------------ cut here ------------ WARNING: CPU: 0 PID: 1678 at mm/gup.c:147...

AZL-64496 CVE-2025-38102 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: VMCI: fix race between vmcihostsetupnotify and vmcictxunsetnotify During our test, it is found that a warning can be trigger in trygrabfolio as follow: ------------ cut here ------------ WARNING: CPU: 0 PID: 1678 at mm/gup.c:147...

CVE-2025-38050

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix kernel NULL pointer dereference when replacing free hugetlb folios A kernel crash was observed when replacing free hugetlb folios: BUG: kernel NULL pointer dereference, address: 0000000000000028 PGD 0 P4D 0 Oops:...

SUSE CVE-2022-50107

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak when using fscache If we hit the 'index == nextcached' case, we leak a refcount on the struct page. Fix this by using readaheadfolio which takes care of the refcount for you...

DEBIAN-CVE-2022-50107

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak when using fscache If we hit the 'index == nextcached' case, we leak a refcount on the struct page. Fix this by using readaheadfolio which takes care of the refcount for you...

CVE-2022-50107

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak when using fscache If we hit the 'index == nextcached' case, we leak a refcount on the struct page. Fix this by using readaheadfolio which takes care of the refcount for you...

UBUNTU-CVE-2022-50107

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak when using fscache If we hit the 'index == nextcached' case, we leak a refcount on the struct page. Fix this by using readaheadfolio which takes care of the refcount for you...

CVE-2022-50107

CVE-2022-50107 concerns a Linux kernel vulnerability in the CIFS/fscache path where, if the index == next_cached case is hit, a refcount on the struct page could leak. The fix implemented is to switch to readahead_folio(), which manages the refcount automatically. Affected component: Linux kernel...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/erofs/fileio: Call erofsonlinefoliosplit after bioaddfolio If bioaddfolio fails because it is full, erofsfileioscanfolio needs to submit the I/O request via erofsfileiorqsubmit and allocate a new I/O request with an empty stru...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mm: Fixed a kernel bug where userfaultfdmove encountered swapcache. userfaultfdmove checks whether the PTE entry is present or a swap entry. - If the PTE entry is present, movepresentpte handles folio migration by setting:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ocfs2: Properly handles errors when reading symbolic links. It’s a patch from the “Convert ocfs2 to use folios” series. Mark converted ocfs2 to use folios and sent it to me as a major patch for review ;- So I reworked it into...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Block: Fix to add folio to bio. A size of 4GB for folio is possible on some ARCHs, such as aarch64. A size of 16GB for hugepage is also supported. However, the “offset” of folio cannot be stored in “unsigned int”, which causes a...