UBUNTU-CVE-2024-40955

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-out-of-bounds in ext4mbfindgoodgroupavgfraglists We can trigger a slab-out-of-bounds with the following commands: mkfs.ext4 -F /dev/$disk 10G mount /dev/$disk /tmp/test echo 2147483647...

CVE-2024-40998 ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninitialized ratelimitstate-lock access in ext4fillsuper In the following concurrency we will access the uninitialized rs-lock: ext4fillsuper ext4registersysfs // sysfs registered msgratelimitintervalms // Other...

CVE-2024-40998 ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninitialized ratelimitstate-lock access in ext4fillsuper In the following concurrency we will access the uninitialized rs-lock: ext4fillsuper ext4registersysfs // sysfs registered msgratelimitintervalms // Other...

CVE-2024-40998

CVE-2024-40998 — Normal (details provided) Affects Linux kernel ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super(). The root cause is registering sysfs before s_msg_ratelimit_state.lock is initialized, allowing concurrent updates to rs->interval (non-zero) to trigge...

CVE-2024-40972 ext4: do not create EA inode under buffer lock

In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4xattrsetentry creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allocation locking which acquires locks on othe...

CVE-2024-40972 ext4: do not create EA inode under buffer lock

In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4xattrsetentry creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allocation locking which acquires locks on othe...

CVE-2024-40972 ext4: do not create EA inode under buffer lock

In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4xattrsetentry creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allocation locking which acquires locks on othe...

CVE-2024-40972

CVE-2024-40972 : In the Linux kernel, the ext4_xattr_set_entry() path creates new EA inodes while holding the external xattr block’s buffer lock, nesting allocation locks and risking deadlock. The fix moves EA inode allocation out of ext4_xattr_set_entry() to the callers, preventing lock nesting....

CVE-2024-40972

In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4xattrsetentry creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allocation locking which acquires locks on othe...

CVE-2024-40955 ext4: fix slab-out-of-bounds in ext4_mb_find_good_group_avg_frag_lists()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-out-of-bounds in ext4mbfindgoodgroupavgfraglists We can trigger a slab-out-of-bounds with the following commands: mkfs.ext4 -F /dev/$disk 10G mount /dev/$disk /tmp/test echo 2147483647...

CVE-2024-40955 ext4: fix slab-out-of-bounds in ext4_mb_find_good_group_avg_frag_lists()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-out-of-bounds in ext4mbfindgoodgroupavgfraglists We can trigger a slab-out-of-bounds with the following commands: mkfs.ext4 -F /dev/$disk 10G mount /dev/$disk /tmp/test echo 2147483647...

CVE-2024-40955

CVE-2024-40955 corresponds to a Linux kernel ext4 slab-out-of-bounds in ext4_mb_find_good_group_avg_frag_lists, triggered by setting mb_group_prealloc to a very large value (2147483647) and performing specific mkfs/mount/write actions. The bug is in ext4’s block allocation logic (mb_alloc/mb_grou...

CVE-2024-40955 ext4: fix slab-out-of-bounds in ext4_mb_find_good_group_avg_frag_lists()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-out-of-bounds in ext4mbfindgoodgroupavgfraglists We can trigger a slab-out-of-bounds with the following commands: mkfs.ext4 -F /dev/$disk 10G mount /dev/$disk /tmp/test echo 2147483647...

CVE-2024-40955

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-out-of-bounds in ext4mbfindgoodgroupavgfraglists We can trigger a slab-out-of-bounds with the following commands: mkfs.ext4 -F /dev/$disk 10G mount /dev/$disk /tmp/test echo 2147483647...

USN-6895-1: Linux kernel vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the HugeTLB file syst...

CVE-2024-40955: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: ext4: fix slab-out-of-bounds in ext4mbfindgoodgroupavgfraglists We can trigger a slab-out-of-bounds with the following commands: mkfs.ext4 -F /dev/$disk 10G mount /dev/$disk /tmp/test echo 2147483647...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which stems from an out-of-bounds access issue in the ext4 file system in the ext4mbfindgoodgroupavgfraglists function...

Linux kernel security vulnerabilities

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 a potential deadlock issue in the ext4 file system when creating an EA inode...

CVE-2024-40998: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninitialized ratelimitstate-lock access in ext4fillsuper In the following concurrency we will access the uninitialized rs-lock: ext4fillsuper ext4registersysfs // sysfs registered msgratelimitintervalms // Other...

CVE-2024-40972: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4xattrsetentry creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allocation locking which acquires locks on othe...