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 ocfs2 file system’s ocfs2groupextend function. This function assumes that the global bitmap f...

PT-2026-34948

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the OCFS2 file system where the ocfs2 group extend function assumes that the global bitmap inode block returned from ocfs2 inode lock is already validated. In crafted...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the repeated release of resources in the epfntbepcdestroy function within the PCI endpoint driver...

SUSE CVE-2026-31443

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix crash when the event log is disabled If reporting errors to the event log is not supported by the hardware, and an error that causes Function Level Reset FLR is received, the driver will try to restore the...

CVE-2026-31517

A flaw was found in the Linux kernel's IP-TFS IP-Transparent Fragmentation Service subsystem. A remote attacker could send specially crafted network packets that, during the reassembly process, cause the kernel to attempt an invalid operation on a network buffer. This improper handling of network...

CVE-2026-31515

A flaw was found in the Linux kernel. The pfkeysendmigrate function, which manages security associations, does not properly validate address families. This oversight can lead to an overfill of the socket buffer skb, a data structure used for network packets, when processing certain requests. A...

CVE-2026-31477

A flaw was found in ksmbd in the Linux kernel. Error handling issues within the smb2lock function can lead to memory leaks. Additionally, an allocation failure in smbflockinit can result in a NULL pointer dereference, causing the kernel to crash. This vulnerability could allow a local attacker to...

CVE-2026-31456 mm/pagewalk: fix race between concurrent split and refault

In the Linux kernel, the following vulnerability has been resolved: mm/pagewalk: fix race between concurrent split and refault The splitting of a PUD entry in walkpudrange can race with a concurrent thread refaulting the PUD leaf entry causing it to try walking a PMD range that has disappeared. A...

CVE-2026-31450

CVE-2026-31450 describes a race in ext4 where ei->jinode was published to concurrent readers before jbd2_journal_init_jbd_inode() completed, allowing a non-NULL jinode to be observed with i_vfs_inode still NULL. The mitigated issue could lead to a crash when a reader passes jinode to jbd2_wait...

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013830)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013830 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash when 1588 is received on HIP08 devices The HIP08 devices does not...

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-2026-013680)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013680 advisory. In the Linux kernel, the following vulnerability has been resolved: vdpa/vpvdpa: fix kfree a wrong pointer in vpvdparemove In vpvdparemove, the code...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013827)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013827 advisory. In the Linux kernel, the following vulnerability has been resolved: mmc: omaphsmmc: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore it...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013473)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013473 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash when devlink reload during pf initialization The devlink reload proce...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013540)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013540 advisory. In the Linux kernel, the following vulnerability has been resolved: mmc: toshsd: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013536)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013536 advisory. In the Linux kernel, the following vulnerability has been resolved: mmc: mxcmmc: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013726)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013726 advisory. In the Linux kernel, the following vulnerability has been resolved: mmc: meson-gx: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013815)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013815 advisory. In the Linux kernel, the following vulnerability has been resolved: mailbox: zynq-ipi: fix error handling while deviceregister fails If deviceregister fails, it has...