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 a null pointer dereferencing in the netfsunbufferedwrite retry path. This could lead to a failure...

PT-2026-34386

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the tracing component occurs when boot-time trigger registration fails before the trigger-data cleanup kthread is created. If kthread creation fails, the system fails to drain...

PT-2026-34395

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the migration restore process. When the function xe sriov pf migration restore produce returns an error, the data pointer is not set to NULL, which can...

PT-2026-34415

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null pointer dereference exists in the Bluetooth L2CAP component. The issue occurs within the l2cap sock ready cb function when the sk pointer is used without verifying if it is null...

PT-2026-34517

Name of the Vulnerable Software and Affected Versions uutils coreutils affected versions not specified Description A logic error in the cut utility occurs when the -s only-delimited flag is used in conjunction with the -z null-terminated and -d '' empty delimiter options. The utility incorrectly...

PT-2026-34363

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Multiple sysfs command paths dereference contexts arr0 without verifying that kdamond-contexts-nr equals 1. A privileged user can set nr contexts to 0 via sysfs while DAMON is running,...

PowerDNS Recursor 代码问题漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. There is a code vulnerability in PowerDNS Recursor, which arises from RPZ requests sent by malicious authoritative servers. This vulnerability may lead to null pointer dereferencing due to a...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013692)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013692 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Disallow unallocated resources to be returned In the event that the topology request...

Linux Distros Unpatched Vulnerability : CVE-2026-31437

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: netfs: Fix NULL pointer dereference in netfsunbufferedwrite on retry When a write subrequest...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013659)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013659 advisory. In the Linux kernel, the following vulnerability has been resolved: drm: Prevent drmcopyfield to attempt copying a NULL pointer There are some struct drmdriver field...

Linux Distros Unpatched Vulnerability : CVE-2026-31458

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/damon/sysfs: check contexts-nr before accessing contextsarr0 Multiple sysfs command paths dereference contextsarr0 without first verifying that...

Linux Distros Unpatched Vulnerability : CVE-2026-31477

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013538)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013538 advisory. In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set ubuf-sg = NULL if the creation of sg table fails When userspace tries to map the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013391)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013391 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smapsrollup: fix no vma's null-deref Commit 258f669e7e88 mm: /proc/pid/smapsrollup:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013610)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013610 advisory. In the Linux kernel, the following vulnerability has been resolved: of: overlay: fix null pointer dereferencing in finddupcsetnodeentry and finddupcsetprop When...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013643)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013643 advisory. In the Linux kernel, the following vulnerability has been resolved: pinctrl: check the return value of pinmuxops::getfunctionname While the API contract in docs...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013681)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013681 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race condition in kprobe initialization causing NULL pointer dereference There is a...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013683)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013683 advisory. In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix null-ptr-deref in raid10syncrequest initresync inits mempool and sets...

Linux Distros Unpatched Vulnerability : CVE-2026-6844

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the readelf utility of the binutils package. A local attacker could exploit two Denial of Service DoS vulnerabilities by providing a special...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013542)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013542 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/msm/adreno: Fix null ptr access in adrenogpucleanup Fix the below kernel panic due to null...