CLSA-2024-1731933167 kernel: Fix of 36 CVEs

smb: client: fix use-after-free in smb2queryinfocompound CVE-2023-52751 - smb: client: prevent new fids from being removed by laundromat CVE-2023-52751 - cifs: fix dentry lookups in directory handle cache CVE-2023-52751 - uprobe: avoid out-of-bounds memory access of fetching args CVE-2024-50067 -...

The vulnerability of the ext4_ext_insert_extent() function in the ext4 file system of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ext4extinsertextent function in the fs/ext4/extents.c file of the Linux kernel’s file system ext4 is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the ext4_ext_handle_unwritten_extents() function in the file system of Linux’s kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the ext4exthandleunwrittenextents function in the fs/ext4/extents.c file of the Linux kernel’s file system ext4 is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the ext4_ext_try_to_merge_up() function in the ext4 file system of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ext4exttrytomergeup function in the fs/ext4/extents.c file of the Linux kernel’s ext4 file system is related to the re-release of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the ext4 kernel component in the Linux operating system, which allows a hacker to cause a service failure

The vulnerability of the ext4 kernel component of the Linux operating system is related to errors in resource management within the EXT4DESCPERBLOCK function. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the ext4_split_extent_at() function in the ext4 file system of Linux kernels allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the ext4splitextentat function in the fs/ext4/extents.c file of the Linux kernel’s file system ext4 is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibilit...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

A vulnerability was found in the ext4mbfindbygoal 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: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

A vulnerability was found in the ext4mbfindbygoal 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...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ext4: fix corruption during on-line resize CVE-2024-35807 Affected Packages: kernel Note: This advisory is applicable to Amazon Linux 2 - Kernel-5.10 Extra. Visit this page to learn more about Amazon Linux 2 AL2...

Amazon Linux 2 : kernel (ALASKERNEL-5.10-2024-073)

The version of kernel installed on the remote host is prior to 5.10.210-201.855. It is, therefore, affected by a vulnerability as referenced in the ALAS2KERNEL-5.10-2024-073 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix corruption during on-line resize...

CLSA-2024-1731431756 kernel: Fix of 30 CVEs

tty: ngsm: Fix use-after-free in gsmcleanupmux CVE-2024-50073 - drm/amdkfd: amdkfdfreegttmem clear the correct pointer CVE-2024-49991 - ext4: fix timer use-after-free on failed mount CVE-2024-49960 - ext4: avoid use-after-free in ext4extshowleaf CVE-2024-49889 - ext4: fix slab-use-after-free in...

CLSA-2024-1731431059 kernel: Fix of 31 CVEs

driver core: bus: Fix double free in driver API busregister CVE-2024-50055 - net: tun: Fix use-after-free in tundetach CVE-2022-49014 - memcg: fix possible use-after-free in memcgwriteeventcontrol CVE-2022-48988 - ppp: fix pppasyncencode illegal access CVE-2024-50035 - drivers: media:...

CLSA-2024-1731430561 kernel: Fix of 31 CVEs

driver core: bus: Fix double free in driver API busregister CVE-2024-50055 - net: tun: Fix use-after-free in tundetach CVE-2022-49014 - memcg: fix possible use-after-free in memcgwriteeventcontrol CVE-2022-48988 - ppp: fix pppasyncencode illegal access CVE-2024-50035 - drivers: media:...

kernel: ext4: correct grp validation in ext4_mb_good_group

A NULL pointer dereference vulnerability was found in the ext4 filesystem in the Linux kernel. In ext4mbgoodgroup, the group corruption check accesses the grp structure memory before verifying that grp is not NULL. If grp is NULL, this leads to a kernel crash. The fix adds a NULL check before...

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: mm: use memalloc_nofs_save() in page_cache_ra_order()

In the Linux kernel, the following vulnerability has been resolved: mm: use memallocnofssave in pagecacheraorder See commit f2c817bed58d "mm: use memallocnofssave in readahead path", ensure that pagecacheraorder do not attempt to reclaim file-backed pages too, or it leads to a deadlock, found iss...

kernel: ext4: allow ext4_get_group_info() to fail

In the Linux kernel, the following vulnerability has been resolved: ext4: allow ext4getgroupinfo to fail Previously, ext4getgroupinfo would treat an invalid group number as BUG, since in theory it should never happen. However, if a malicious attaker or fuzzer modifies the superblock via the block...

kernel: ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid dividing by 0 in mbupdateavgfragmentsize when block bitmap corrupt The Linux kernel CVE team has assigned CVE-2024-26774 to this issue. Upstream advisory:...

kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

A vulnerability was found in the ext4mbfindbygoal 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: avoid online resizing failures due to oversized flex bg

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid online resizing failures due to oversized flex bg When we online resize an ext4 filesystem with a oversized flexbgsize, mkfs.ext4 -F -G 67108864 $dev -b 4096 100M mount $dev $dir resize2fs $dev 16G the following WARNO...