Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414428)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414428 advisory. mcbausbstartxmit in drivers/net/can/usb/mcbausb.c in the Linux kernel through 5.17.1 has a double free. Tenable has extracted the preceding description block directl...

CVE-2022-50486

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: Fix return type of netcpndostartxmit With clang's kernel control flow integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype to make sure the call...

UBUNTU-CVE-2023-53601

In the Linux kernel, the following vulnerability has been resolved: bonding: do not assume skb macheader is set Drivers must not assume in their ndostartxmit that skbs have their macheader set. skb-data is all what is needed. bonding seems to be one of the last offender as caught by syzbot:...

PT-2025-40673

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where the return type of the netcp ndo start xmit function does not match the expected return type in the struct net device ops. Specifically, ndo star...

CVE-2022-50408 wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmfnetdevstartxmit ret = brcmfprototxqueuedatadrvr, ifp-ifidx, skb; may be schedule, and then complete before the line ndev-stats.txbytes += skb-len; 46.912801...

CVE-2022-50408 wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmfnetdevstartxmit ret = brcmfprototxqueuedatadrvr, ifp-ifidx, skb; may be schedule, and then complete before the line ndev-stats.txbytes += skb-len; 46.912801...

CVE-2023-53312 net: fix net_dev_start_xmit trace event vs skb_transport_offset()

In the Linux kernel, the following vulnerability has been resolved: net: fix netdevstartxmit trace event vs skbtransportoffset After blamed commit, we must be more careful about using skbtransportoffset, as reminded us by syzbot: WARNING: CPU: 0 PID: 10 at include/linux/skbuff.h:2868...

CVE-2022-50321

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmfnetdevstartxmit The brcmfnetdevstartxmit returns NETDEVTXOK without freeing skb in case of pskbexpandhead fails, add devkfreeskb to fix it. Compile tested only...

CVE-2022-50321

CVE-2022-50321 corresponds to a Linux kernel wifi flaw in brcmfmac where brcmf_netdev_start_xmit() could leak memory when pskb_expand_head() fails, returning NETDEV_TX_OK without freeing the skb. The fix adds dev_kfree_skb() to properly free skb and was compile-tested; multiple Unity/Linux adviso...

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 brcmfnetdevstartxmit function failing to free the skb when pskbexpandhead fails, which could lead to a...

Vulnerability of the temac_start_xmit() function in the drivers/net/ethernet/xilinx/ll_temac_main.c module – A driver for supporting Ethernet network adapters in the Linux operating system, which allows a hacker to cause a service failure.

Vulnerability of the temacstartxmit function in the drivers/net/ethernet/xilinx/lltemacmain.c module – The Linux kernel’s Ethernet adapter support driver is vulnerable due to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a system...

CVE-2023-53053

In the Linux kernel, the following vulnerability has been resolved: erspan: do not use skbmacheader in ndostartxmit Drivers should not assume skbmacheaderskb == skb-data in their ndostartxmit. Use skbnetworkoffset and skbtransportoffset which better describe what is needed in erspanfbxmit and...

UBUNTU-CVE-2023-53053

In the Linux kernel, the following vulnerability has been resolved: erspan: do not use skbmacheader in ndostartxmit Drivers should not assume skbmacheaderskb == skb-data in their ndostartxmit. Use skbnetworkoffset and skbtransportoffset which better describe what is needed in erspanfbxmit and...

UBUNTU-CVE-2022-49876

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix general-protection-fault in ieee80211subifstartxmit When device is running and the interface status is changed, the gpf issue is triggered. The problem triggering process is as follows: Thread A: Thread B...

PT-2024-9077

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the r8169 component of the Linux kernel, which can cause ring buffer corruption when transmitting small fragmented packets. This is due to the rtl8169 start xmi...

PT-2024-9809

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the ks8851 component in the Linux kernel, which is associated with incorrect resource locking. This can lead to a denial of service. The problem arises when the...

SUSE CVE-2022-48648

In the Linux kernel, the following vulnerability has been resolved: sfc: fix null pointer dereference in efxhardstartxmit Trying to get the channel from the txqueue variable here is wrong because we can only be here if txqueue is NULL, so we shouldn't dereference it. As the above comment in the...

CVE-2022-48646

In the Linux kernel, the following vulnerability has been resolved: sfc/siena: fix null pointer dereference in efxhardstartxmit Like in previous patch for sfc, prevent potential but unlikely NULL pointer dereference...

SUSE CVE-2021-46998

In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enichardstartxmit In enichardstartxmit, it calls enicqueuewqskb. Inside enicqueuewqskb, if some error happens, the skb will be freed by devkfreeskbskb. But the freed skb is still used in...

kernel: Linux kernel: Denial of Service in s390/lcs network driver due to incompatible function pointer type

A flaw was found in the Linux kernel's s390/lcs network driver. An incorrect function pointer type in the lcsstartxmit function could lead to a system crash or termination of a process. This issue arises when Kernel Control Flow Integrity kCFI, a security feature designed to prevent certain types...