Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004841)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004841 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free bug in brcmfnetdevstartxmit ret = brcmfprototxqueuedatadrvr,...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993061)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993061 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmfnetdevstartxmit The brcmfnetdevstartxmit return...

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-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...

kernel: wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()

A use after free exists in the wifi module of the linux kernel in the function brcmfnetdevstartxmit,thereby leading to damage to system availability and integrity...