kernel: can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds

In the Linux kernel, the following vulnerability has been resolved: can: dev: canputechoskb: don't crash kernel if canpriv::echoskb is accessed out of bounds If the "struct canpriv::echooskb" is accessed out of bounds, this would cause a kernel crash. Instead, issue a meaningful warning message a...

SUSE CVE-2021-47668

In the Linux kernel, the following vulnerability has been resolved: can: dev: canrestart: fix use after free bug After calling netifrxniskb, dereferencing skb is unsafe. Especially, the canframe cf which aliases skb memory is accessed after the netifrxni in: stats-rxbytes += cf-len; Reordering th...

The vulnerability of the __skb_set_length() function in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the skbsetlength function in the Linux operating system’s kernel is related to the use of an uninitialized pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2021-47669

In the Linux kernel, the following vulnerability has been resolved: can: vxcan: vxcanxmit: fix use after free bug After calling netifrxniskb, dereferencing skb is unsafe. Especially, the canfdframe cfd which aliases skb memory is accessed after the netifrxni...

DEBIAN-CVE-2021-47668

In the Linux kernel, the following vulnerability has been resolved: can: dev: canrestart: fix use after free bug After calling netifrxniskb, dereferencing skb is unsafe. Especially, the canframe cf which aliases skb memory is accessed after the netifrxni in: stats-rxbytes += cf-len; Reordering th...

DEBIAN-CVE-2020-36789

In the Linux kernel, the following vulnerability has been resolved: can: dev: cangetechoskb: prevent call to kfreeskb in hard IRQ context If a driver calls cangetechoskb during a hardware IRQ which is often, but not always, the case, the 'WARNONinirq' in net/core/skbuff.cskbreleaseheadstate might...

CVE-2020-36789

In the Linux kernel, the following vulnerability has been resolved: can: dev: cangetechoskb: prevent call to kfreeskb in hard IRQ context If a driver calls cangetechoskb during a hardware IRQ which is often, but not always, the case, the 'WARNONinirq' in net/core/skbuff.cskbreleaseheadstate might...

UBUNTU-CVE-2021-47669

In the Linux kernel, the following vulnerability has been resolved: can: vxcan: vxcanxmit: fix use after free bug After calling netifrxniskb, dereferencing skb is unsafe. Especially, the canfdframe cfd which aliases skb memory is accessed after the netifrxni...

Security update for kernel-livepatch-MICRO-6-0_Update_3

This update for kernel-livepatch-MICRO-6-0Update3 fixes the following issues: CVE-2024-57882: Fixed mptcp: fix TCP options overflow. bsc1235916 CVE-2024-56648: Fixed net: hsr: avoid potential out-of-bound access in fillframeinfo bsc1235452 CVE-2024-50302: Fixed HID: core: zero-initialize the repo...

SUSE-SU-2025:20285-1 Security update for kernel-livepatch-MICRO-6-0_Update_2

This update for kernel-livepatch-MICRO-6-0Update2 fixes the following issues: - CVE-2024-57882: Fixed mptcp: fix TCP options overflow. bsc1235916 - CVE-2024-46818: Fixed drm/amd/display: check gpioid before used as array index bsc1231204 - CVE-2024-46815: Fixed drm/amd/display: check numvalidsets...

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()

...

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...