kernel: net: flow_dissector: use DEBUG_NET_WARN_ON_ONCE

In the Linux kernel, the following vulnerability has been resolved: net: flowdissector: use DEBUGNETWARNONONCE The following splat is easy to reproduce upstream as well as in -stable kernels. Florian Westphal provided the following commit: d1dab4f71d37 "net: add and use skbgethashsymmetricnet" bu...

SUSE CVE-2025-37839

In the Linux kernel, the following vulnerability has been resolved: jbd2: remove wrong sb-ssequence check Journal emptiness is not determined by sb-ssequence == 0 but rather by sb-sstart == 0 which is set a few lines above. Furthermore 0 is a valid transaction ID so the check can spuriously...

DEBIAN-CVE-2025-37878

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix WARNON!ctx in freeevent for partial init Move the getctxchildctx call and the childevent-ctx assignment to occur immediately after the child event is allocated. Ensure that childevent-ctx is non-NULL before any...

DEBIAN-CVE-2025-37839

In the Linux kernel, the following vulnerability has been resolved: jbd2: remove wrong sb-ssequence check Journal emptiness is not determined by sb-ssequence == 0 but rather by sb-sstart == 0 which is set a few lines above. Furthermore 0 is a valid transaction ID so the check can spuriously...

UBUNTU-CVE-2025-37878

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix WARNON!ctx in freeevent for partial init Move the getctxchildctx call and the childevent-ctx assignment to occur immediately after the child event is allocated. Ensure that childevent-ctx is non-NULL before any...

PT-2025-20530

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a problem in the Linux kernel's perf/core subsystem, where a WARN ON ONCE cleanup check could trigger after the initial check passed but before the child event's...

SUSE CVE-2025-21975

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: handle errors in mlx5chainscreatetable In mlx5chainscreatetable, the return value of mlx5getfdbsubns and mlx5getflownamespace must be checked to prevent NULL pointer dereferences. If either function fails, the function...

DEBIAN-CVE-2025-21906

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: clean up ROC on failure If the firmware fails to start the session protection, then we do call iwlmvmrocfinished here, but that won't do anything at all because IWLMVMSTATUSROCP2PRUNNING was never set. Set...

SUSE CVE-2021-4454

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix errant WARNONONCE in j1939sessiondeactivate The conclusion "j1939sessiondeactivate should be called with a session ref-count of at least 2" is incorrect. In some concurrent scenarios, j1939sessiondeactivate can be...

CVE-2021-4454

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix errant WARNONONCE in j1939sessiondeactivate The conclusion "j1939sessiondeactivate should be called with a session ref-count of at least 2" is incorrect. In some concurrent scenarios, j1939sessiondeactivate can be...

DEBIAN-CVE-2021-4454

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix errant WARNONONCE in j1939sessiondeactivate The conclusion "j1939sessiondeactivate should be called with a session ref-count of at least 2" is incorrect. In some concurrent scenarios, j1939sessiondeactivate can be...

UBUNTU-CVE-2022-49747

In the Linux kernel, the following vulnerability has been resolved: erofs/zmap.c: Fix incorrect offset calculation Effective offset to add to length was being incorrectly calculated, which resulted in iomap-length being set to 0, triggering a WARNON in iomapiterdone. Fix that, and describe it in...

UBUNTU-CVE-2021-4454

In the Linux kernel, the following vulnerability has been resolved: can: j1939: fix errant WARNONONCE in j1939sessiondeactivate The conclusion "j1939sessiondeactivate should be called with a session ref-count of at least 2" is incorrect. In some concurrent scenarios, j1939sessiondeactivate can be...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an incorrect WARNONONCE check in j1939sessiondeactivate...

PT-2025-16666

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the nfsd proc stat init function ignoring the return value of svc proc register. If the procfile creation...

SUSE CVE-2025-21833

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid use of NULL after WARNONONCE There is a WARNONONCE to catch an unlikely situation when domainremovedevpasid can't find the pasid. In case it nevertheless happens we must avoid using a NULL pointer...

DEBIAN-CVE-2025-21833

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid use of NULL after WARNONONCE There is a WARNONONCE to catch an unlikely situation when domainremovedevpasid can't find the pasid. In case it nevertheless happens we must avoid using a NULL pointer...

AZL-59126 CVE-2025-21833 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid use of NULL after WARNONONCE There is a WARNONONCE to catch an unlikely situation when domainremovedevpasid can't find the pasid. In case it nevertheless happens we must avoid using a NULL pointer...

UBUNTU-CVE-2024-58085

In the Linux kernel, the following vulnerability has been resolved: tomoyo: don't emit warning in tomoyowritecontrol syzbot is reporting too large allocation warning at tomoyowritecontrol, for one can write a very very long line without new line character. To fix this warning, I use GFPNOWARN...

UBUNTU-CVE-2025-21833

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid use of NULL after WARNONONCE There is a WARNONONCE to catch an unlikely situation when domainremovedevpasid can't find the pasid. In case it nevertheless happens we must avoid using a NULL pointer...