UBUNTU-CVE-2023-53144

In the Linux kernel, the following vulnerability has been resolved: erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms As the call trace shown, the root cause is kunmap incorrect pages: BUG: kernel NULL pointer dereference, address: 00000000 CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted...

CVE-2023-53144

CVE-2023-53144 concerns the Linux kernel erofs subsystem. The connected documentation describes an identified issue where kunmap could be applied to incorrect pages during LZMA decompression on HIGHMEM platforms, leading to a NULL pointer dereference in z_erofs_lzma_decompress and related call ch...

CVE-2023-53144 erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms

In the Linux kernel, the following vulnerability has been resolved: erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms As the call trace shown, the root cause is kunmap incorrect pages: BUG: kernel NULL pointer dereference, address: 00000000 CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted...

CVE-2023-53144 erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms

In the Linux kernel, the following vulnerability has been resolved: erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms As the call trace shown, the root cause is kunmap incorrect pages: BUG: kernel NULL pointer dereference, address: 00000000 CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted...

SUSE CVE-2022-49081

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

DEBIAN-CVE-2022-49081

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

UBUNTU-CVE-2022-49081

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mmc: mmctest: Fixed the issue of NULL dereferencing upon allocation failure. If the allocation of test-highmem = allocpages fails, calling freepagestest-highmem will result in a NULL dereferencing. Additionally, the error code ha...

CVE-2024-50222

In the Linux kernel, the following vulnerability has been resolved: ioviter: fix copypagefromiteratomic if KMAPLOCALFORCEMAP generic/077 on x8632 CONFIGDEBUGKMAPLOCALFORCEMAP=y with highmem, on huge=always tmpfs, issues a warning and then hangs interruptibly: WARNING: CPU: 5 PID: 3517 at...

AZL-53067 CVE-2024-50229 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential deadlock with newly created symlinks Syzbot reported that pagesymlink, called by nilfssymlink, triggers memory reclamation involving the filesystem layer, which can result in circular lock dependencies among...

DEBIAN-CVE-2024-50222

In the Linux kernel, the following vulnerability has been resolved: ioviter: fix copypagefromiteratomic if KMAPLOCALFORCEMAP generic/077 on x8632 CONFIGDEBUGKMAPLOCALFORCEMAP=y with highmem, on huge=always tmpfs, issues a warning and then hangs interruptibly: WARNING: CPU: 5 PID: 3517 at...

UBUNTU-CVE-2024-50222

In the Linux kernel, the following vulnerability has been resolved: ioviter: fix copypagefromiteratomic if KMAPLOCALFORCEMAP generic/077 on x8632 CONFIGDEBUGKMAPLOCALFORCEMAP=y with highmem, on huge=always tmpfs, issues a warning and then hangs interruptibly: WARNING: CPU: 5 PID: 3517 at...

CVE-2024-50222 iov_iter: fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP

In the Linux kernel, the following vulnerability has been resolved: ioviter: fix copypagefromiteratomic if KMAPLOCALFORCEMAP generic/077 on x8632 CONFIGDEBUGKMAPLOCALFORCEMAP=y with highmem, on huge=always tmpfs, issues a warning and then hangs interruptibly: WARNING: CPU: 5 PID: 3517 at...

CVE-2024-50222 iov_iter: fix copy_page_from_iter_atomic() if KMAP_LOCAL_FORCE_MAP

In the Linux kernel, the following vulnerability has been resolved: ioviter: fix copypagefromiteratomic if KMAPLOCALFORCEMAP generic/077 on x8632 CONFIGDEBUGKMAPLOCALFORCEMAP=y with highmem, on huge=always tmpfs, issues a warning and then hangs interruptibly: WARNING: CPU: 5 PID: 3517 at...

CVE-2024-45028

In the Linux kernel, the following vulnerability has been resolved: mmc: mmctest: Fix NULL dereference on allocation failure If the "test-highmem = allocpages" allocation fails then calling freepagestest-highmem will result in a NULL dereference. Also change the error code to -ENOMEM instead of...

CVE-2024-45028

In the Linux kernel, the following vulnerability has been resolved: mmc: mmctest: Fix NULL dereference on allocation failure If the "test-highmem = allocpages" allocation fails then calling freepagestest-highmem will result in a NULL dereference. Also change the error code to -ENOMEM instead of...

AZL-49215 CVE-2024-45028 affecting package kernel for versions less than 6.6.51.1-1

In the Linux kernel, the following vulnerability has been resolved: mmc: mmctest: Fix NULL dereference on allocation failure If the "test-highmem = allocpages" allocation fails then calling freepagestest-highmem will result in a NULL dereference. Also change the error code to -ENOMEM instead of...

kernel: highmem: fix checks in __kmap_local_sched_{in,out}

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

CVE-2021-46910

In the Linux kernel, the following vulnerability has been resolved: ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUGKMAPLOCAL is enabled The debugging code for kmaplocal doubles the number of per-CPU fixmap slots allocated for kmaplocal, in order to use half of them as guard regions. This...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUGKMAPLOCAL is enabled The debugging code for kmaplocal doubles the number of per-CPU fixmap slots allocated for kmaplocal, in order to use half of them as guard regions. This...