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 IPsec MAC address query in net mlx5e calling a sleep function within atomic context,...

CVE-2026-31722

A flaw was found in the Linux kernel's USB gadget RNDIS Remote Network Driver Interface Specification function. During the unbinding process of a USB gadget device, the associated network device netdevice may not be correctly reparented, resulting in dangling symbolic links within the system's...

CVE-2026-43031 net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets

In the Linux kernel, the following vulnerability has been resolved: net: xilinx: axienet: Fix BQL accounting for multi-BD TX packets When a TX packet spans multiple buffer descriptors scatter-gather, axienetfreetxchain sums the per-BD actual length from descriptor status into a caller-provided...

PT-2026-36431

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A resource leak occurs in the net: macb component. Resources allocated using the clk register fixed rate function are not properly released because the clk unregister fixed rate function...

net: altera-tse: fix skb leak on DMA mapping error in tse_start_xmit()

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net: stmmac: fix integer underflow in chain mode

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SUSE CVE-2026-31623

In the Linux kernel, the following vulnerability has been resolved: net: usb: cdc-phonet: fix skb frags overflow in rxcomplete A malicious USB device claiming to be a CDC Phonet modem can overflow the skbsharedinfo-frags array by sending an unbounded sequence of full-page bulk transfers. Drop the...

CVE-2026-31647 idpf: fix PREEMPT_RT raw/bh spinlock nesting for async VC handling

In the Linux kernel, the following vulnerability has been resolved: idpf: fix PREEMPTRT raw/bh spinlock nesting for async VC handling Switch from using the completion's raw spinlock to a local lock in the idpfvcxn struct. The conversion is safe because complete/all are called outside the lock and...

CVE-2026-31563 net: macb: Use dev_consume_skb_any() to free TX SKBs

In the Linux kernel, the following vulnerability has been resolved: net: macb: Use devconsumeskbany to free TX SKBs The napiconsumeskb function is not intended to be called in an IRQ disabled context. However, after commit 6bc8a5098bf4 "net: macb: Fix txptrlock locking", the freeing of TX SKBs is...

PT-2026-34917

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the RDMA/irdma component when a netdev reset is executed while RDMA applications are active. The netdev reset leads the ice driver to remove the irdma auxiliary...

EUVD-2026-24817

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and the device's IFFXMITDSTRELEASE flag is cleared e.g., during the...

CVE-2026-31505

In the Linux kernel, the following vulnerability has been resolved: iavf: fix out-of-bounds writes in iavfgetethtoolstats iavf incorrectly uses realnumtxqueues for ETHSSSTATS. Since the value could change in runtime, we should use numtxqueues instead. Moreover iavfgetethtoolstats uses...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006948)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006948 advisory. In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: Fix return type of netcpndostartxmit With clang's kernel control flow integrit...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011406)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011406 advisory. In the Linux kernel, the following vulnerability has been resolved: net: usb: qmiwwan: initialize MAC header offset in qmimuxrxfixup Raw IP packets have no MAC heade...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011291)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011291 advisory. In the Linux kernel, the following vulnerability has been resolved: can: hi311x: populate ndochangemtu to prevent buffer overflow Sending an PFPACKET allows to bypa...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013369)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013369 advisory. In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011095)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011095 advisory. In the Linux kernel, the following vulnerability has been resolved: igb: Fix igbdown hung on surprise removal In a setup where a Thunderbolt hub connects to Ethernet...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011142)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011142 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: rndishost: Secure rndisquery check against int overflow Variables off and len typed as uint3...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013027)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013027 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sxgbe: fix potential NULL dereference in sxgberx Currently, when skb is null, the driver...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007352)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007352 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sxgbe: fix potential NULL dereference in sxgberx Currently, when skb is null, the driver...