CVE-2025-37834

CVE-2025-37834 affects the Linux kernel, specifically the mm/vmscan path. When a dirty swapcache page labeled hwpoison is isolated during reclaim and not locked, a memory failure can lead to the page being returned to the LRU and later cause a VM_BUG_ON_FOLIO during a subsequent reclaim. The issu...

CVE-2025-37834 mm/vmscan: don't try to reclaim hwpoison folio

In the Linux kernel, the following vulnerability has been resolved: mm/vmscan: don't try to reclaim hwpoison folio Syzkaller reports a bug as follows: Injecting memory failure for pfn 0x18b00e at process virtual address 0x20ffd000 Memory failure: 0x18b00e: dirty swapcache page still referenced by...

nilfs2: do not force clear folio if buffer is referenced

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NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

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SUSE CVE-2025-37779

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

CVE-2025-37779

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

UBUNTU-CVE-2025-37779

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

CVE-2025-37779

CVE-2025-37779 concerns the Linux kernel’s lib/iov_iter.c and arises from an incorrect refcount fix for non-slab folio pages used in EROFS/v9fs p9 read paths. The root cause is that pages in a bvec can be coalesced across folio boundaries, and the non-slab folio refcount was not increased suffici...

CVE-2025-37779 lib/iov_iter: fix to increase non slab folio refcount

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

CVE-2025-37779 lib/iov_iter: fix to increase non slab folio refcount

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

CVE-2025-37779

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

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 the Linux kernel that stems from an unincremented non-slab folio reference count that could lead to reuse after release...

PT-2025-23158

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been identified, related to the erofs file system. The issue arises when bio add folio fails due to being full, and erofs fileio scan folio retrie...

SUSE CVE-2025-22122

In the Linux kernel, the following vulnerability has been resolved: block: fix adding folio to bio 4GB folio is possible on some ARCHs, such as aarch64, 16GB hugepage is supported, then 'offset' of folio can't be held in 'unsigned int', cause warning in bioaddfolionofail and IO failure. Fix it by...

PT-2025-29060

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A double-unlock bug exists in the nfs return empty folio function within the NFS read functionality of the Linux kernel. This issue can lead to a deadlock when a file is read...

SUSE CVE-2025-22036

In the Linux kernel, the following vulnerability has been resolved: exfat: fix random stack corruption after getblock When getblock is called with a bufferhead allocated on the stack, such as dompagereadpage, stack corruption due to bufferhead UAF may occur in the following race condition...

CVE-2025-22122

In the Linux kernel, the following vulnerability has been resolved: block: fix adding folio to bio 4GB folio is possible on some ARCHs, such as aarch64, 16GB hugepage is supported, then 'offset' of folio can't be held in 'unsigned int', cause warning in bioaddfolionofail and IO failure. Fix it by...

DEBIAN-CVE-2025-22122

In the Linux kernel, the following vulnerability has been resolved: block: fix adding folio to bio 4GB folio is possible on some ARCHs, such as aarch64, 16GB hugepage is supported, then 'offset' of folio can't be held in 'unsigned int', cause warning in bioaddfolionofail and IO failure. Fix it by...

UBUNTU-CVE-2025-22122

In the Linux kernel, the following vulnerability has been resolved: block: fix adding folio to bio 4GB folio is possible on some ARCHs, such as aarch64, 16GB hugepage is supported, then 'offset' of folio can't be held in 'unsigned int', cause warning in bioaddfolionofail and IO failure. Fix it by...

DEBIAN-CVE-2025-22036

In the Linux kernel, the following vulnerability has been resolved: exfat: fix random stack corruption after getblock When getblock is called with a bufferhead allocated on the stack, such as dompagereadpage, stack corruption due to bufferhead UAF may occur in the following race condition...