PT-2024-33715

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.6.58 Description: A dentry leak may occur in the Linux kernel when a lookup cookie and a cull are concurrent. This happens because the reference count obtained by lookup one positive unlocked in cachefiles loo...

SUSE SLES15: kernel-azure / kernel-azure-devel / kernel-devel-azure / etc (SUSE-SU-2024:2896-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2896-1 advisory. The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to receive various security bugfixes. The following security bugs were...

SUSE-SU-2024:2896-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-41014: xfs: add bounds checking to xlogrecoverprocessdata bsc1228408. - CVE-2024-41013: xfs: do not walk off the end of a directory data block...

kernel: cachefiles: fix memory leak in cachefiles_add_cache()

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix memory leak in cachefilesaddcache The Linux kernel CVE team has assigned CVE-2024-26840 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024041715-CVE-2024-26840-057d@gregkh/T...

kernel: cachefiles: fix memory leak in cachefiles_add_cache()

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix memory leak in cachefilesaddcache The Linux kernel CVE team has assigned CVE-2024-26840 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024041715-CVE-2024-26840-057d@gregkh/T...

SUSE CVE-2024-42250

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

CVE-2024-42250

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

DEBIAN-CVE-2024-42250

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

CVE-2024-42250

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

UBUNTU-CVE-2024-42250

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

CVE-2024-42250 cachefiles: add missing lock protection when polling

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

CVE-2024-42250 cachefiles: add missing lock protection when polling

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

CVE-2024-42250 cachefiles: add missing lock protection when polling

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add missing lock protection when polling Add missing lock protection in poll routine when iterating xarray, otherwise: Even with RCU read lock held, only the slot of the radix tree is ensured to be pinned there, while...

CVE-2024-42250

CVE-2024-42250 pertains to the Linux kernel, specifically the cachefiles subsystem. The root cause is a missing lock protection in the poll routine when iterating the xarray, which can lead to unsafe dereferencing of cachefiles_req objects stored in radix-tree slots even under an RCU read lock. T...

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, which stems from a lack of lock protection in the cachefiles module during polling, requiring the addition of spinlocks to...

The vulnerability of the cachefiles_ondemand_daemon_read() function in the cachefiles file system of the Linux operating system allows a attacker to compromise the accessibility of protected information.

The vulnerability of the cachefilesondemanddaemonread function in the fs/cachefiles/ondemand.c file of the Linux kernel’s cachefile file system is related to the reutilization of previously freed memory due to competitive access to resources race condition. Exploiting this vulnerability could all...

The vulnerability of the cachefiles_ondemand_daemon_read() function in the cachefiles file system of the Linux operating system allows a attacker to compromise the accessibility of protected information.

The vulnerability of the cachefilesondemanddaemonread function in the fs/cachefiles/ondemand.c file of the Linux kernel’s cachefiles file system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the accessibility of...

SUSE CVE-2024-41050

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

SUSE CVE-2024-41051

In the Linux kernel, the following vulnerability has been resolved: cachefiles: wait for ondemandobjectworker to finish when dropping object When queuing ondemandobjectworker to re-open the object, cachefilesobject is not pinned. The cachefilesobject may be freed when the pending read request is...

SUSE CVE-2024-41057

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix slab-use-after-free in cachefileswithdrawcookie We got the following issue in our fault injection stress test: ================================================================== BUG: KASAN: slab-use-after-free in...