The vulnerability of the build_mapping() function in the net/xfrm/xfrm_user.c module, which is part of the Linux kernel’s networking functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the buildmapping function in the net/xfrm/xfrmuser.c module, which is part of the Linux kernel’s networking functions, relates to the use of uninitialized variables. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

SUSE CVE-2026-43089

In the Linux kernel, the following vulnerability has been resolved: xfrmuser: fix info leak in buildmapping struct xfrmusersaid has a one-byte padding hole after the proto field, which ends up never getting set to zero before copying out to userspace. Fix that up by zeroing out the whole structur...

CVE-2026-43089

In the Linux kernel, the following vulnerability has been resolved: xfrmuser: fix info leak in buildmapping struct xfrmusersaid has a one-byte padding hole after the proto field, which ends up never getting set to zero before copying out to userspace. Fix that up by zeroing out the whole structur...

CVE-2026-43089: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: xfrmuser: fix info leak in buildmapping struct xfrmusersaid has a one-byte padding hole after the proto field, which ends up never getting set to zero before copying out to userspace. Fix that up by zeroing out the whole structur...

Linux Distros Unpatched Vulnerability : CVE-2026-43089

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrmuser: fix info leak in buildmapping struct xfrmusersaid has a one-byte padding hole after the proto field, which ends up never getting set to zero before...