CVE-2026-31580 bcache: fix cached_dev.sb_bio use-after-free and crash

In the Linux kernel, the following vulnerability has been resolved: bcache: fix cacheddev.sbbio use-after-free and crash In our production environment, we have received multiple crash reports regarding libceph, which have caught our attention: 6888366.280350 Call Trace: 6888366.280452...

EUVD-2026-25473

In the Linux kernel, the following vulnerability has been resolved: bcache: fix cacheddev.sbbio use-after-free and crash In our production environment, we have received multiple crash reports regarding libceph, which have caught our attention: 6888366.280350 Call Trace: 6888366.280452...

CVE-2026-31580

In the Linux kernel, the following vulnerability has been resolved: bcache: fix cacheddev.sbbio use-after-free and crash In our production environment, we have received multiple crash reports regarding libceph, which have caught our attention: 6888366.280350 Call Trace: 6888366.280452...

CVE-2026-31580 bcache: fix cached_dev.sb_bio use-after-free and crash

In the Linux kernel, the following vulnerability has been resolved: bcache: fix cacheddev.sbbio use-after-free and crash In our production environment, we have received multiple crash reports regarding libceph, which have caught our attention: 6888366.280350 Call Trace: 6888366.280452...

CVE-2026-31580

CVE-2026-31580 affects the Linux kernel (bcache component). The issue is a use-after-free in cached_dev.sb_bio when a device is stopped while a superblock write is in progress, which can cause a crash/DoS through libceph I/O paths. Public reports align on this being resolved by patching bcache to...

PT-2026-34932

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the bcache component. The problem occurs when a device is stopped while writing to the superblock, leading to a situation where the address of cached...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the reuse of cacheddev.sbbio after it is released in the bcache mechanism, potentially leading to...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013430)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013430 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: avoid oversized read request in cache missing code path In the cache missing code path o...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-013408)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013408 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: fix variable length array abuse in btreeiter btreeiter is used in two ways: either...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007253)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007253 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations...

The vulnerability of the __bch_btree_node_alloc() function in the drivers/md/bcache/btree.c module of the Linux operating system’s device driver framework for multiple devices (such as RAID and LVM) allows a attacker to cause a service failure.

The vulnerability of the bchbtreenodealloc function in the drivers/md/bcache/btree.c module of the Linux device driver framework for multiple devices such as RAID and LVM is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005441)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005441 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: avoid oversized read request in cache missing code path In the cache missing code path o...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005009)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005009 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: avoid oversized read request in cache missing code path In the cache missing code path o...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38263)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38263 advisory. - In the Linux kernel, the following vulnerability has been resolved: bcache: fix NULL pointer in cachesetflu...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004265)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004265 advisory. An issue was discovered in the Linux kernel through 5.6.11. btreegccoalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails. Tenable has...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004095)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004095 advisory. An issue was discovered in the Linux kernel through 5.6.11. btreegccoalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails. Tenable has...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000443)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000443 advisory. An issue was discovered in the Linux kernel through 5.6.11. btreegccoalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails. Tenable has...

Linux Distros Unpatched Vulnerability : CVE-2023-54293

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bcache: fixup btreecachewait list damage We get a kernel crash about listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c...

SUSE CVE-2023-54293

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...

EUVD-2023-60511

In the Linux kernel, the following vulnerability has been resolved: bcache: fixup btreecachewait list damage We get a kernel crash about "listadd corruption. next-prev should be prev ffff9c801bc01210, but was ffff9c77b688237c. next=ffffae586d8afe68." crash struct listhead 0xffff9c801bc01210 struc...