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 not verifying that the block size is between 512 and PAGESIZE to the power of 2, leading to a possible invalid...

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 the fact that when dealing with a large number of single-block-range IOs, estimating the number of transacti...

CVE-2024-41013

In the Linux kernel, the following vulnerability has been resolved: xfs: don't walk off the end of a directory data block This adds sanity checks for xfsdir2dataunused and xfsdir2dataentry to make sure don't stray beyond valid memory region. Before patching, the loop simply checks that the start...

USN-6919-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 It was discovered that the ATA over...

USN-6918-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker...

USN-6917-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-6919-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6919-1 advisory. Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereferenc...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6918-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6918-1 advisory. It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A...

PT-2024-32386 · Contao +1 · Contao Open Source Cms +1

Name of the Vulnerable Software and Affected Versions: Oveleon Cookie Bar versions prior to 1.16.3 and 2.1.3 Description: The block/locale endpoint does not properly sanitize the user-controlled locale input before including it in the backend's HTTP response, thereby causing reflected cross-site...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-6917-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6917-1 advisory. Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointe...

kernel: ext4: fix double-free of blocks due to wrong extents moved_len

A vulnerability was found in the Linux kernel. This issue occurs in the ext4 function, in ext4moveextents, where an error in updating the movedlen variable can lead to double-free of blocks and corrupt block accounting. This could lead to crashes or undefined behavior...

kernel: smb: client: fix potential OOBs in smb2_parse_contexts()

A flaw was found in the smb client in the Linux kernel. A potential out-of-bounds error was seen in the smb2parsecontexts function. Validate offsets and lengths before dereferencing create contexts in smb2parsecontexts...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

A vulnerability was found in the ext4mbtrybestfound function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap...

kernel: blk-cgroup: Reinit blkg_iostat_set after clearing in blkcg_reset_stats()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats When blkgalloc is called to allocate a blkcggq structure with the associated blkgiostatset's, there are 2 fields within blkgiostatset that requires proper...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found()

A vulnerability was found in the ext4mbtrybestfound function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap...

kernel: ext4: fix double-free of blocks due to wrong extents moved_len

A vulnerability was found in the Linux kernel. This issue occurs in the ext4 function, in ext4moveextents, where an error in updating the movedlen variable can lead to double-free of blocks and corrupt block accounting. This could lead to crashes or undefined behavior...

EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W

A flaw was found in the CreateHob function in EDK2. An attacker, leveraging a local network, can initiate an integer overflow leading to a buffer overflow. This issue arises during size alignment within the CreateHob function, requiring activation in the PEI phase. Successful exploitation of this...

qemu-kvm: 'qemu-img info' leads to host file read/write

A flaw was found in the QEMU disk image utility qemu-img 'info' command. A specially crafted image file containing a json: value describing block devices in QMP could cause the qemu-img process on the host to consume large amounts of memory or CPU time, leading to denial of service or read/write ...

qemu-kvm: 'qemu-img info' leads to host file read/write

A flaw was found in the QEMU disk image utility qemu-img 'info' command. A specially crafted image file containing a json: value describing block devices in QMP could cause the qemu-img process on the host to consume large amounts of memory or CPU time, leading to denial of service or read/write ...

USN-6898-4: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...