Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Tracing: Do not allow mmap of persistent ring buffers. When attempting to mmap a trace instance buffer that is attached to reservemem, it would cause a crash: BUG: Unable to handle a page fault for address: ffffe97bd00025c8 PF:...

CVE-2021-37644

TensorFlow is an end-to-end open source platform for machine learning. In affected versions providing a negative element to numelements list argument of tf.rawops.TensorListReserve causes the runtime to abort the process due to reallocating a std::vector to have a negative number of elements. The...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2021-46925: Fixed kernel panic caused by race of smcsock bsc1220466. CVE-2021-47645: media: staging: media: zoran: calculate the right buffer number for...

The vulnerability of the kvm_hyp_reserve() function in the arch/arm64/kvm/pkvm.c module of the virtualization subsystem on the ARM 64-bit kernel of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the kvmhypreserve function in the arch/arm64/kvm/pkvm.c module of the virtualization subsystem on the ARM 64-bit kernel of the Linux operating system is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause...

The vulnerability of the `reserve_compress_blocks/release_compressBlocks` functions in the `fs/f2fs.file.c` component of the Linux kernel allows a hacker to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the reservecompressblocks/releasecompressblocks functions in the fs/f2fs/file.c component of the Linux kernel is related to the allocation of unlimited memory. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity, and even...

SUSE CVE-2023-52976

In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL deref in efimemreservepersistent When iterating on a linked list, a result of memremap is dereferenced without checking it for NULL. This patch adds a check that falls back on allocating a new page in case...

UBUNTU-CVE-2023-52976

In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL deref in efimemreservepersistent When iterating on a linked list, a result of memremap is dereferenced without checking it for NULL. This patch adds a check that falls back on allocating a new page in case...

CVE-2023-52976 efi: fix potential NULL deref in efi_mem_reserve_persistent

In the Linux kernel, the following vulnerability has been resolved: efi: fix potential NULL deref in efimemreservepersistent When iterating on a linked list, a result of memremap is dereferenced without checking it for NULL. This patch adds a check that falls back on allocating a new page in case...

SUSE CVE-2025-21778

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

DEBIAN-CVE-2025-21778

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

UBUNTU-CVE-2025-21778

In the Linux kernel, the following vulnerability has been resolved: tracing: Do not allow mmap of persistent ring buffer When trying to mmap a trace instance buffer that is attached to reservemem, it would crash: BUG: unable to handle page fault for address: ffffe97bd00025c8 PF: supervisor read...

SUSE CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

PT-2025-8890 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: A vulnerability in the Linux kernel has been resolved. The issue occurs when trying to mmap a trace instance buffer that is attached to reserve mem, causing a crash. The reason for...

UBUNTU-CVE-2022-49327

In the Linux kernel, the following vulnerability has been resolved: bcache: avoid journal no-space deadlock by reserving 1 journal bucket The journal no-space deadlock was reported time to time. Such deadlock can happen in the following situation. When all journal buckets are fully filled by acti...

DEBIAN-CVE-2022-49084

In the Linux kernel, the following vulnerability has been resolved: qede: confirm skb is allocated before using qedebuildskb assumes buildskb always works and goes straight to skbreserve. However, buildskb can fail under memory pressure. This results in a kernel panic because the skb to reserve i...

CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

DEBIAN-CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

UBUNTU-CVE-2022-49075

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix qgroup reserve overflow the qgroup limit We use extentchangeset-byteschanged in qgroupreservedata to record how many bytes we set for EXTENTQGROUPRESERVED state. Currently the byteschanged is set as "unsigned int", and...

CVE-2022-49327

In the Linux kernel, the following vulnerability has been resolved: bcache: avoid journal no-space deadlock by reserving 1 journal bucket The journal no-space deadlock was reported time to time. Such deadlock can happen in the following situation. When all journal buckets are fully filled by acti...

CVE-2022-49075

CVE-2022-49075 is a Linux kernel issue in btrfs where qgroup reserve tracking used an unsigned int for bytes_changed, allowing overflow when fallocate exceeds 4 GiB. This caused incorrect qgroup accounting and could breach the qgroup limit. The published fixes switch bytes_changed to a 64-bit fie...