bpf: Fix stale offload->prog pointer after constant blinding

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K000161887: Linux kernel vulnerability CVE-2026-23284

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Reset prog ptr to oldprog in case of error in mtkxdpsetup Reset eBPF program pointer to oldprog and do not decrease its ref-count if mtkopen routine in mtkxdpsetup fails...

net: ethernet: mtk_eth_soc: Reset prog ptr to old_prog in case of error in mtk_xdp_setup()

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SUSE CVE-2026-23284

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Reset prog ptr to oldprog in case of error in mtkxdpsetup Reset eBPF program pointer to oldprog and do not decrease its ref-count if mtkopen routine in mtkxdpsetup fails...

CVE-2026-23284

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Reset prog ptr to oldprog in case of error in mtkxdpsetup Reset eBPF program pointer to oldprog and do not decrease its ref-count if mtkopen routine in mtkxdpsetup fails...

CVE-2026-23284

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Reset prog ptr to oldprog in case of error in mtkxdpsetup Reset eBPF program pointer to oldprog and do not decrease its ref-count if mtkopen routine in mtkxdpsetup fails...

CVE-2026-23284 net: ethernet: mtk_eth_soc: Reset prog ptr to old_prog in case of error in mtk_xdp_setup()

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Reset prog ptr to oldprog in case of error in mtkxdpsetup Reset eBPF program pointer to oldprog and do not decrease its ref-count if mtkopen routine in mtkxdpsetup fails...

CVE-2026-23284

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Reset prog ptr to oldprog in case of error in mtkxdpsetup Reset eBPF program pointer to oldprog and do not decrease its ref-count if mtkopen routine in mtkxdpsetup fails...

CVE-2026-23284

Technical details for CVE-2026-23284 are not publicly provided in the supplied documents; none of the connected advisories describe affected product/version or fix for this CVE. Monitor for updates.

CVE-2026-23284 net: ethernet: mtk_eth_soc: Reset prog ptr to old_prog in case of error in mtk_xdp_setup()

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Reset prog ptr to oldprog in case of error in mtkxdpsetup Reset eBPF program pointer to oldprog and do not decrease its ref-count if mtkopen routine in mtkxdpsetup fails...