In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: Fix return type of netcp_ndo_start_xmit() With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG), indirect call targets are validated against the expected function pointer prototype to make sure the call target is valid to help mitigate ROP attacks. If they are not identical, there is a failure at run time, which manifests as either a kernel panic or thread getting killed. A proposed warning in clang aims to catch these at compile time, which reveals: drivers/net/ethernet/ti/netcp_core.c:1944:21: error: incompatible function pointer types initializing 'netdev_tx_t (*)(struct sk_buff *, struct net_device *)' (aka 'enum netdev_tx (*)(struct sk_buff *, struct net_device *)') with an expression of type 'int (struct sk_buff *, struct net_device *)' [-Werror,-Wincompatible-function-pointer-types-strict] .ndo_start_xmit = netcp_ndo_start_xmit, ^~~~~~~~~~~~~~~~~~~~ 1 error generated. ->ndo_start_xmit() in 'struct net_device_ops' expects a return type of 'netdev_tx_t', not 'int'. Adjust the return type of netcp_ndo_start_xmit() to match the prototype's to resolve the warning and CFI failure.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-105436 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    net: ethernet: ti: Fix return type of netcp_ndo_start_xmit()

    With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),     indirect call targets are validated against the expected function     pointer prototype to make sure the call target is valid to help mitigate     ROP attacks. If they are not identical, there is a failure at run time,     which manifests as either a kernel panic or thread getting killed. A     proposed warning in clang aims to catch these at compile time, which     reveals:

      drivers/net/ethernet/ti/netcp_core.c:1944:21: error: incompatible function pointer types initializing     'netdev_tx_t (*)(struct sk_buff *, struct net_device *)' (aka 'enum netdev_tx (*)(struct sk_buff *, struct     net_device *)') with an expression of type 'int (struct sk_buff *, struct net_device *)'     [-Werror,-Wincompatible-function-pointer-types-strict]               .ndo_start_xmit         = netcp_ndo_start_xmit,                                         ^~~~~~~~~~~~~~~~~~~~       1 error generated.

    ->ndo_start_xmit() in 'struct net_device_ops' expects a return type of     'netdev_tx_t', not 'int'. Adjust the return type of     netcp_ndo_start_xmit() to match the prototype's to resolve the warning     and CFI failure.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011136 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    net: ethernet: ti: Fix return type of netcp_ndo_start_xmit()

    With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),     indirect call targets are validated against the expected function     pointer prototype to make sure the call target is valid to help mitigate     ROP attacks. If they are not identical, there is a failure at run time,     which manifests as either a kernel panic or thread getting killed. A     proposed warning in clang aims to catch these at compile time, which     reveals:

      drivers/net/ethernet/ti/netcp_core.c:1944:21: error: incompatible function pointer types initializing     'netdev_tx_t (*)(struct sk_buff *, struct net_device *)' (aka 'enum netdev_tx (*)(struct sk_buff *, struct     net_device *)') with an expression of type 'int (struct sk_buff *, struct net_device *)'     [-Werror,-Wincompatible-function-pointer-types-strict]               .ndo_start_xmit         = netcp_ndo_start_xmit,                                         ^~~~~~~~~~~~~~~~~~~~       1 error generated.

    ->ndo_start_xmit() in 'struct net_device_ops' expects a return type of     'netdev_tx_t', not 'int'. Adjust the return type of     netcp_ndo_start_xmit() to match the prototype's to resolve the warning     and CFI failure.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

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 netcp_ndo_start_xmit()

    With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG),     indirect call targets are validated against the expected function     pointer prototype to make sure the call target is valid to help mitigate     ROP attacks. If they are not identical, there is a failure at run time,     which manifests as either a kernel panic or thread getting killed. A     proposed warning in clang aims to catch these at compile time, which     reveals:

      drivers/net/ethernet/ti/netcp_core.c:1944:21: error: incompatible function pointer types initializing     'netdev_tx_t (*)(struct sk_buff *, struct net_device *)' (aka 'enum netdev_tx (*)(struct sk_buff *, struct     net_device *)') with an expression of type 'int (struct sk_buff *, struct net_device *)'     [-Werror,-Wincompatible-function-pointer-types-strict]               .ndo_start_xmit         = netcp_ndo_start_xmit,                                         ^~~~~~~~~~~~~~~~~~~~       1 error generated.

    ->ndo_start_xmit() in 'struct net_device_ops' expects a return type of     'netdev_tx_t', not 'int'. Adjust the return type of     netcp_ndo_start_xmit() to match the prototype's to resolve the warning     and CFI failure.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - net: ethernet: ti: Fix return type of netcp_ndo_start_xmit() With clang's kernel control flow integrity     (kCFI, CONFIG_CFI_CLANG), indirect call targets are validated against the expected function pointer     prototype to make sure the call target is valid to help mitigate ROP attacks. If they are not identical,     there is a failure at run time, which manifests as either a kernel panic or thread getting killed. A     proposed warning in clang aims to catch these at compile time, which reveals:
    drivers/net/ethernet/ti/netcp_core.c:1944:21: error: incompatible function pointer types initializing     'netdev_tx_t (*)(struct sk_buff *, struct net_device *)' (aka 'enum netdev_tx (*)(struct sk_buff *, struct     net_device *)') with an expression of type 'int (struct sk_buff *, struct net_device *)'     [-Werror,-Wincompatible-function-pointer-types-strict] .ndo_start_xmit = netcp_ndo_start_xmit,     ^~~~~~~~~~~~~~~~~~~~ 1 error generated. ->ndo_start_xmit() in 'struct net_device_ops' expects a return     type of 'netdev_tx_t', not 'int'. Adjust the return type of netcp_ndo_start_xmit() to match the     prototype's to resolve the warning and CFI failure. (CVE-2022-50486)

Note that Nessus relies on the presence of the package as reported by the vendor.

An update of the linux package has been released.

ID	Name	Product	Family	Type	Severity
342486	Unity Linux 20.1070-8ae / 20.1070e Security Update: kernel (UTSA-2026-105436)	Nessus	Unity Linux Local Security Checks	Local	medium
308573	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011136)	Nessus	Unity Linux Local Security Checks	Local	medium
308287	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006948)	Nessus	Unity Linux Local Security Checks	Local	medium
269382	Linux Distros Unpatched Vulnerability : CVE-2022-50486	Nessus	Misc.	Local	medium
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	Local	high

Detections

Analytics

CVE-2022-50486

medium

Tenable Plugins

medium

medium

medium

medium

high