In the Linux kernel, the following vulnerability has been resolved:
igb: Fix NULL pointer dereference in ethtool loopback test
The igb driver currently causes a NULL pointer dereference when executing the ethtool loopback test. This occurs because there is no associated q_vector for the test ring when it is set up, as interrupts are typically not added to the test rings.
Since commit 5ef44b3cb43b removed the napi_id assignment in __xdp_rxq_info_reg(), there is no longer a need to pass a napi_id to it. Therefore, simply use 0 as the last parameter.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Sep 23, 2025 |
| Suse | — | Upgrade kernel-default-optionalUpgrade kernel-docsUpgrade dtb-apmUpgrade kernel-64kb-develUpgrade kernel-sourceUpgrade kernel-symsUpgrade kernel-develUpgrade kernel-default-livepatch-develUpgrade dlm-kmp-defaultUpgrade kernel-zfcpdumpUpgrade gfs2-kmp-rtUpgrade kernel-64kbUpgrade kernel-64kb-optionalUpgrade cluster-md-kmp-rtUpgrade kernel-kvmsmallUpgrade dtb-renesasUpgrade kernel-kvmsmall-develUpgrade kernel-macrosUpgrade dtb-armUpgrade kernel-rt-develUpgrade dtb-amazonUpgrade dtb-amdUpgrade cluster-md-kmp-defaultUpgrade kernel-default-develUpgrade ocfs2-kmp-rtUpgrade kernel-obs-qaUpgrade dtb-amlogicUpgrade dtb-hisiliconUpgrade dtb-mediatekUpgrade kernel-rt-livepatchUpgrade dtb-xilinxUpgrade gfs2-kmp-64kbUpgrade dtb-exynosUpgrade kernel-default-vdsoUpgrade kernel-default-extraUpgrade kselftests-kmp-defaultUpgrade kernel-kvmsmall-vdsoUpgrade dlm-kmp-rtUpgrade dtb-caviumUpgrade dtb-alteraUpgrade dtb-qcomUpgrade kernel-rt-optionalUpgrade kernel-rt-extraUpgrade dtb-freescaleUpgrade dtb-appleUpgrade dtb-marvellUpgrade dtb-allwinnerUpgrade kernel-rt-vdsoUpgrade kernel-rt-livepatch-develUpgrade dlm-kmp-64kbUpgrade kernel-obs-buildUpgrade kernel-defaultUpgrade gfs2-kmp-defaultUpgrade dtb-sprdUpgrade dtb-socionextUpgrade cluster-md-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade dtb-nvidiaUpgrade ocfs2-kmp-64kbUpgrade kernel-rtUpgrade dtb-rockchipUpgrade dtb-broadcomUpgrade kernel-source-vanillaUpgrade kselftests-kmp-rtUpgrade kernel-default-livepatchUpgrade ocfs2-kmp-defaultUpgrade kernel-docs-htmlUpgrade kernel-64kb-extraUpgrade dtb-lg | Dec 5, 2025 | Nov 6, 2025 |
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