What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-25 · updated 2026-10-15

Description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: Reset prog ptr to old_prog in case of error in mtk_xdp_setup() Reset eBPF program pointer to old_prog and do not decrease its ref-count if mtk_open routine in mtk_xdp_setup() fails.

Affected products

• Linux kernel: from 6.0 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.77; from 6.13 before 6.18.17; from 6.19 before 6.19.7; 7.0-rc1, 7.0-rc2 — fixed in 6.1.167, 6.12.77, 6.18.17, 6.19.7, 6.6.130

How to fix

Upgrade to a fixed version: Linux kernel 6.1.167, 6.12.77, 6.18.17, 6.19.7. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0abc73c8a40fd64ac1739c90bb4f42c418d27a5e
• https://git.kernel.org/stable/c/29629dd7d37349e9fb605375a75de44ac8926ea9
• https://git.kernel.org/stable/c/6f95b59520278a72df9905db791b7ea31375fbc1
• https://git.kernel.org/stable/c/8c2d76a9658a4dbfcf02f2693a97e2d5ff42197a
• https://git.kernel.org/stable/c/b73dfe1ea7be7a072482434643b517d7726f4c8d
• https://git.kernel.org/stable/c/ff14cd44c85c20ad69479db73698185de291550c
• https://cert-portal.siemens.com/productcert/html/ssa-019113.html
• https://cert-portal.siemens.com/productcert/html/ssa-082556.html
• https://cert-portal.siemens.com/productcert/html/ssa-457936.html

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