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 the reuse of skb memory after release in the vxcanxmit function...

UBUNTU-CVE-2025-22050

In the Linux kernel, the following vulnerability has been resolved: usbnet:fix NPE during rxcomplete Missing usbnetgoingaway Check in Critical Path. The usbsubmiturb function lacks a usbnetgoingaway validation, whereas usbnetqueueskb includes this check. This inconsistency creates a race conditio...

CVE-2025-22108

CVE-2025-22108 affects the Linux kernel Broadcom bnxt_en driver, specifically the TX BD bd_cnt field. The field is 5 bits and should only validly hold 0, with a maximum supported value of 32. If CONFIG_MAX_SKB_FRAGS is modified such that the total number of SKB fragments approaches or exceeds the...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2021-46925: Fixed kernel panic caused by race of smcsock bsc1220466. CVE-2021-47645: media: staging: media: zoran: calculate the right buffer number for...

ndisc: extend RCU protection in ndisc_send_skb()

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PT-2025-18438

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak issue has been identified in the Linux kernel, specifically in the tipc link xmit function. When the backlog transmit queue for system-importance messages is overloaded, ti...

Vulnerability of functions SKB_HEAD_ALIGN(), __netdev_alloc_skb(), and napi_alloc_skb() (include/net/gro.h, net/core/gro.c, net/core/skbuff.c) in the Linux operating system, allowing a hacker to cause a service failure

The vulnerabilities of the functions SKBHEADALIGN, netdevallocskb, and napiallocskb located in include/net/gro.h, net/core/gro.c, and net.core/skbuff.c in the Linux kernel are related to resource management errors. Exploiting these vulnerabilities can allow an attacker to cause service failures...

SUSE CVE-2025-21925

In the Linux kernel, the following vulnerability has been resolved: llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices not supporting IFFTXSKBSHARING. In this case, e1000 driver calls ethskbpad, while the skb is shared. Simply replace skbget by...

SUSE CVE-2025-21926

In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in udpgsosegment In udpgsosegment the skb destructor is removed before segmenting the skb but the socket reference is kept as-is. This is an issue if the original skb is later orphaned as we can hit the...

kernel: erspan: make sure erspan_base_hdr is present in skb->head

In the Linux kernel, the following vulnerability has been resolved: erspan: make sure erspanbasehdr is present in skb-head The Linux kernel CVE team has assigned CVE-2024-35888 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024051947-CVE-2024-35888-1e04@gregkh/T...

SUSE CVE-2025-21937

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Add check for mgmtallocskb in mgmtremotename Add check for the return value of mgmtallocskb in mgmtremotename to prevent null pointer dereference...

SUSE CVE-2025-21960

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: do not update checksum in bnxtxdpbuildskb The bnxtrxpkt updates ipsummed value at the end if checksum offload is enabled. When the XDP-MB program is attached and it returns XDPPASS, the bnxtxdpbuildskb is called to...

SUSE CVE-2025-21961

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix truesize for mb-xdp-pass case When mb-xdp is set and return is XDPPASS, packet is converted from xdpbuff to skbuff with xdpupdateskbsharedinfo in bnxtxdpbuildskb. bnxtxdpbuildskb passes incorrect truesize argument ...

DEBIAN-CVE-2025-21972

In the Linux kernel, the following vulnerability has been resolved: net: mctp: unshare packets when reassembling Ensure that the fraglist used for reassembly isn't shared with other packets. This avoids incorrect reassembly when packets are cloned, and prevents a memory leak due to circular...

DEBIAN-CVE-2025-21960

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: do not update checksum in bnxtxdpbuildskb The bnxtrxpkt updates ipsummed value at the end if checksum offload is enabled. When the XDP-MB program is attached and it returns XDPPASS, the bnxtxdpbuildskb is called to...

AZL-60302 CVE-2025-21961 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix truesize for mb-xdp-pass case When mb-xdp is set and return is XDPPASS, packet is converted from xdpbuff to skbuff with xdpupdateskbsharedinfo in bnxtxdpbuildskb. bnxtxdpbuildskb passes incorrect truesize argument ...

DEBIAN-CVE-2025-21961

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix truesize for mb-xdp-pass case When mb-xdp is set and return is XDPPASS, packet is converted from xdpbuff to skbuff with xdpupdateskbsharedinfo in bnxtxdpbuildskb. bnxtxdpbuildskb passes incorrect truesize argument ...

DEBIAN-CVE-2025-21926

In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in udpgsosegment In udpgsosegment the skb destructor is removed before segmenting the skb but the socket reference is kept as-is. This is an issue if the original skb is later orphaned as we can hit the...

DEBIAN-CVE-2025-21925

In the Linux kernel, the following vulnerability has been resolved: llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices not supporting IFFTXSKBSHARING. In this case, e1000 driver calls ethskbpad, while the skb is shared. Simply replace skbget by...

CVE-2025-21925

In the Linux kernel, the following vulnerability has been resolved: llc: do not use skbget before devqueuexmit syzbot is able to crash hosts 1, using llc and devices not supporting IFFTXSKBSHARING. In this case, e1000 driver calls ethskbpad, while the skb is shared. Simply replace skbget by...