UBUNTU-CVE-2026-43289

In the Linux kernel, the following vulnerability has been resolved: kexec: derive purgatory entry from symbol kexecloadpurgatory derives image-start by locating eentry inside an SHFEXECINSTR section. If the purgatory object contains multiple executable sections with overlapping shaddr, the...

CVE-2026-43289 kexec: derive purgatory entry from symbol

In the Linux kernel, the following vulnerability has been resolved: kexec: derive purgatory entry from symbol kexecloadpurgatory derives image-start by locating eentry inside an SHFEXECINSTR section. If the purgatory object contains multiple executable sections with overlapping shaddr, the...

CVE-2026-43289

In the Linux kernel, the following vulnerability has been resolved: kexec: derive purgatory entry from symbol kexecloadpurgatory derives image-start by locating eentry inside an SHFEXECINSTR section. If the purgatory object contains multiple executable sections with overlapping shaddr, the...

CVE-2026-43289

CVE-2026-43289 relates to the Linux kernel kexec flow. The patch fixes kexec_load_purgatory() so image->start is derived from the purgatory_start symbol when present, rather than blindly locating e_entry within an SHF_EXECINSTR section. This prevents the entrypoint check from matching multiple...