Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: removed BUGON functions in addnewfreespace In addnewfreespace, there are BUGON functions that are used to handle any failures in adding free space to the in-memory free space cache. Such failures are mostly due to ENOME...

Astra Linux - уязвимость в linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not drop the extentmap for the inode of free space during a write error. While running the CI for an unrelated change, I encountered the following panic: with generic/648 on btrfsholesspacecache. The assertion failed:...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix for an assertion failure when building the free space tree. When building the free space tree with the block group tree feature enabled, an assertion failure may occur as follows: BTRFS info device loop0 state M:...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Binder: Fixed asyncfreespace accounting for empty parcels In version 4.13, commit 74310e06be4d “android: binder: Move buffer out of area shared with user space” fixed an issue related to the visibility of kernel structures. As pa...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not assert that we found a block group item when creating a free space tree. Currently, when building a free space tree using populatefreespacetree, if we are not using the block group tree feature, we always expect to...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting free space root from the dirty cow roots list When deleting the free space tree we are deleting the free space root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it,...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an issue where rebuilding the free space tree using multiple transactions might fail. When rebuilding the free space tree, and while modifying the free space tree, we may need to allocate a new metadata block group. ...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Call btrfsremovefreespacecachelocked on cache load failure Now that lockdep remains enabled throughout our CI processes, I noticed the following stack trace in generic/475: ------------ Cut here --- WARNING: CPU: 1 PID:...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007432)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007432 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: don't drop extentmap for free space inode on write error While running the CI for an...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007613)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007613 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion when building free space tree When building the free space tree with the blo...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-007346)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007346 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: do not assert we found block group item when creating free space tree Currently, when...

Quantum Bit Error Rate Analysis in BB84 Quantum Key Distribution: Measurement, Statistical Estimation, and Eavesdropping Detection

Quantum Key Distribution QKD provides information-theoretic security by exploiting the principles of quantum mechanics. Among QKD protocols, the BB84 scheme remains the most widely adopted for both theoretical research and practical implementation. A critical parameter determining the reliability...

CVE-2026-23249

In the Linux kernel, the following vulnerability has been resolved: xfs: check for deleted cursors when revalidating two btrees The free space and inode btree repair functions will rebuild both btrees at the same time, after which it needs to evaluate both btrees to confirm that the corruptions a...

CVE-2026-23249

In the Linux kernel, the following vulnerability has been resolved: xfs: check for deleted cursors when revalidating two btrees The free space and inode btree repair functions will rebuild both btrees at the same time, after which it needs to evaluate both btrees to confirm that the corruptions a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003914)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003914 advisory. In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004353)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004353 advisory. In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002906)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002906 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in trymergefreespace when mounting a crafted btrfs image, because of a lack of...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000360)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000360 advisory. In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000528)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000528 advisory. In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a...

SUSE CVE-2023-54185

In the Linux kernel, the following vulnerability has been resolved: btrfs: remove BUGON's in addnewfreespace At addnewfreespace we have these BUGON's that are there to deal with any failure to add free space to the in memory free space cache. Such failures are mostly -ENOMEM that should be very...