Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an out-of-bounds write operation in the ocfs2writeendinline function. This vulnerability may lead...

Linux Distros Unpatched Vulnerability : CVE-2026-43067

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ext4: handle wraparound when searching for blocks for indirect mapped blocks Commit...

nilfs2: Fix potential block overflow that cause system hang

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SUSE CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

UBUNTU-CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237

CVE-2025-71237 corresponds to a Linux kernel nilfs2 issue where an underflow during FITRIM end_block calculation can produce a negative nblocks, turning into a large positive value and causing the block layer to hang while processing a discard. The description and connected advisories confirm the...

CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237 nilfs2: Fix potential block overflow that cause system hang

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237 nilfs2: Fix potential block overflow that cause system hang

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993057)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993057 advisory. In the Linux kernel, the following vulnerability has been resolved: jffs2: prevent xattr node from overflowing the eraseblock Add a check to make sure that the...

DEBIAN-CVE-2025-39795

In the Linux kernel, the following vulnerability has been resolved: block: avoid possible overflow for chunksectors check in blkstacklimits In blkstacklimits, we check that the t-chunksectors value is a multiple of the t-physicalblocksize value. However, by finding the chunksectors value in bytes...

Advisory ROSA-SA-2025-2996

software: grub2 2.06 WASP: ROSA-CHROME unaffected versions = grub2-2.06-23 affected versions grub2-2.06-23 CVE-ID: CVE-2024-45777 BDU-ID: 2025-07120 CVE-Crit: HIGH CVE-DESC.: A vulnerability in the gettext component of the Grub operating systems loader is related to integer overflow. Exploitation...

kernel: block: fix integer overflow in BLKSECDISCARD

In the Linux kernel, the following vulnerability has been resolved: block: fix integer overflow in BLKSECDISCARD I independently rediscovered commit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 block: fix overflow in blkioctldiscard but for secure erase. Same problem: uint64t r2 = 512,...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: block: fix integer overflow in BLKSECDISCARD CVE-2024-49994 In the Linux kernel, the following vulnerability has been resolved: ext4: fix access to uninitialised lock in fc replay path CVE-2024-50014 In the Linux...

PT-2026-20445

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the nilfs2 file system related to handling the FITRIM command. A block overflow can occur during the calculation of nblocks if the end block value...

CLSA-2024-1727352561 kernel: Fix of 19 CVEs

tipc: Return non-zero value from tipcudpaddr2str on error CVE-2024-42284 - dev/parport: fix the array out-of-bounds risk CVE-2024-42301 - RDMA/iwcm: Fix a use-after-free related to destroying CM IDs CVE-2024-42285 - scsi: aacraid: Fix double-free on probe failure CVE-2024-46673 - ipv6: prevent...

kernel: block: fix overflow in blk_ioctl_discard()

In the Linux kernel, the following vulnerability has been resolved: block: fix overflow in blkioctldiscard There is no check for overflow of 'start + len' in blkioctldiscard. Hung task occurs if submit an discard ioctl with the following param: start = 0x80000000000ff000, len = 0x8000000000fff000...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: lib/generic-radix-tree.c: Don't overflow in peek CVE-2021-47432 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free bug in cifsdebugdataprocshow CVE-2023-52752 In th...