CVE-2026-63829

In the Linux kernel, the following vulnerability has been resolved: net: ipgre: require CAPNETADMIN in the device netns for changelink A tunnel changelink operates on at most two netns, devnetdev and the tunnel link netns t-net. They differ once the device is created in or moved to a netns other...

SUSE CVE-2026-53075

In the Linux kernel, the following vulnerability has been resolved: ppp: require CAPNETADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file-fcred-userns, while unattached administrative ioctls operate on current-nsproxy-netns. As a result, a local...

UBUNTU-CVE-2026-53236

In the Linux kernel, the following vulnerability has been resolved: tcp: restrict SOATTACHFILTER to priv users This patch restricts the use of SOATTACHFILTER cBPF on TCP sockets to users with CAPNETADMIN capability. This blocks potential side-channel attack where an unprivileged application...

CVE-2026-53075

In the Linux kernel, the following vulnerability has been resolved: ppp: require CAPNETADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file-fcred-userns, while unattached administrative ioctls operate on current-nsproxy-netns. As a result, a local...

CVE-2026-53075 ppp: require CAP_NET_ADMIN in target netns for unattached ioctls

In the Linux kernel, the following vulnerability has been resolved: ppp: require CAPNETADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file-fcred-userns, while unattached administrative ioctls operate on current-nsproxy-netns. As a result, a local...

CVE-2026-53075

The CVE-2026-53075 issue affects the Linux kernel PPP subsystem. A local unprivileged user can create a new user namespace (CLONE_NEWUSER), obtain CAP_NET_ADMIN only in that namespace, and still perform unattached PPP administrative IOCTLs (PPPIOCNEWUNIT, PPPIOCATTACH, PPPIOCATTCHAN) against an i...

UBUNTU-CVE-2026-45840

In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...

CVE-2026-45840 openvswitch: cap upcall PID array size and pre-size vport replies

In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...

CVE-2026-31570 can: gw: fix OOB heap access in cgw_csum_crc8_rel()

In the Linux kernel, the following vulnerability has been resolved: can: gw: fix OOB heap access in cgwcsumcrc8rel cgwcsumcrc8rel correctly computes bounds-safe indices via calcidx: int from = calcidxcrc8-fromidx, cf-len; int to = calcidxcrc8-toidx, cf-len; int res = calcidxcrc8-resultidx, cf-len...

CVE-2026-31570

CVE-2026-31570 relates to the Linux kernel CAN gateway module. The vulnerability is an OOB heap access in cgw_csum_crc8_rel(), caused by looping and writing using raw s8 indices (from_idx/to_idx/result_idx) instead of the precomputed bounds-safe values (from/to/res). calc_idx() yields bounds-safe...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007261)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007261 advisory. In the Linux kernel, the following vulnerability has been resolved: media: rc: bpf attach/detach requires write permission Note that bpf attach/detach also requires...

PT-2026-51969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Point-to-Point Protocol PPP implementation where /dev/ppp open is authorized against file-f cred-user ns, while unattached administrative ioctls operate on...

kernel: kernel: Privilege escalation or denial of service via use-after-free in nf_tables_addchain()

A flaw was found in the Linux kernel. A local attacker with CAPNETADMIN capabilities, or remote packet traffic, could exploit a use-after-free vulnerability in the nftablesaddchain function's error handling. Successful exploitation could lead to a kernel crash, resulting in a Denial of Service Do...

kernel: Linux kernel: Out-of-bounds write in VXLAN due to incorrect nexthop hash size leading to denial of service

A flaw was found in the Linux kernel's Virtual Extensible LAN VXLAN implementation. An attacker with elevated privileges CAPNETADMIN can exploit this vulnerability by configuring the system to accept and forward VXLAN packets. The issue arises from an incorrect nexthop hash size, where a 32-bit...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001544)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001544 advisory. An issue was discovered in the Linux kernel before 4.18.11. The ipddpioctl function in drivers/net/appletalk/ipddp.c allows local users to obtain sensitive kernel...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001413)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001413 advisory. The decodedata function in drivers/net/hamradio/6pack.c in the Linux kernel before 5.13.13 has a slab out-of-bounds write. Input from a process that has the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000648)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000648 advisory. Multiple buffer overflows in drivers/staging/wlags49h2/wlpriv.c in the Linux kernel before 3.12 allow local users to cause a denial of service or possibly have...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003028)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003028 advisory. The nfnetlinkrcvbatch function in net/netfilter/nfnetlink.c in the Linux kernel before 4.5 does not check whether a batch message's length field is large enough, whi...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002349)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002349 advisory. The xfrmstatenetlink function in net/xfrm/xfrmuser.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dumponestate function calls, which...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001886)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001886 advisory. The xfrmstatenetlink function in net/xfrm/xfrmuser.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dumponestate function calls, which...