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Vulnerabilities

Vulnerability · CVE-2026-98089

bonding: alb: fix uninitialized transport header access in alb_determine_nd()

Published Sep 25, 2026 · catalog updated Nov 7, 2026 · bonding: alb: fix uninitialized

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-98089. EPSS is 0.17%. Act only if a listed version of bonding: alb: fix uninitialized is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (bonding: alb: fix uninitialized).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.17%
Remediation
Advisory link
Affected products
Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix uninitialized transport header access in alb_determine_nd() alb_determine_nd() uses icmp6_hdr(skb) to inspect ICMPv6 headers. However, in xmit paths (e.g. packets sent via AF_PACKET / raw sockets or forwarded packets), skb->transport_header is not guaranteed to be initialized. While pskb_network_may_pull() ensures the packet data is linear starting from the network header, it does not set or adjust the transport header offset. Dereferencing icmp6_hdr(skb) can therefore access out-of-bounds memory. Fetch the icmp6hdr directly after ipv6hdr following pskb_network_may_pull(), and reload ipv6hdr in case pskb_may_pull() reallocated skb->head. Also remove the unused bond argument from alb_determine_nd().

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Linux Kernel5.18.0 → 6.1.189; 6.2.0 → 6.6.158; 6.7.0 → 6.12.111

How to fix CVE-2026-98089

  • Upgrade

    CVE-2026-98089 lists a fix boundary at 6.1.189. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 5.18.0 → 6.1.189; 6.2.0 → 6.6.158; 6.7.0 → 6.12.111

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-98089. EPSS is 0.17%. Act only if a listed version of bonding: alb: fix uninitialized is installed.

Which versions are affected?

Compare what you have installed with Kernel 5.18.0 → 6.1.189; 6.2.0 → 6.6.158; 6.7.0 → 6.12.111. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.17%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 25, 2026 · OpenSSF OSV / OSV Scanner

    Detected

    In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix uninitialized transport header access in alb_determine_nd() alb_determine_nd() uses icmp6_hdr(skb) to inspect ICMPv6 headers. However, in xmit paths (e.g. packets sent via AF_PACKET / raw sockets or forwarded packets), skb->transport_header is not guaranteed to be initialized. While pskb_network_may_pull() ensure

  2. Nov 4, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    Kernel fixed in 6.1.189; Kernel fixed in 6.6.158; Kernel fixed in 6.12.111; Kernel fixed in 6.18.53

  3. Nov 4, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    Kernel fixed in 6.1.189; 6.2.0

  4. Nov 4, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix uninitialized transport header access in alb_determine_nd() alb_determine_nd() uses icmp6_hdr(skb) to inspect ICMPv6 headers. However, in xmit paths (e.g. packets sent via AF_PACKET / raw sockets or forwarded packets), skb->transport_header is not guaranteed to be initialized. While pskb_network_may_pull() ensure

  5. Nov 7, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix uninitialized transport header access in alb_determine_nd() alb_determine_nd() uses icmp6_hdr(skb) to inspect ICMPv6 headers. However, in xmit paths (e.g. packets sent via AF_PACKET / raw sockets or forwarded packets), skb->transport_header is not guaranteed to be initialized. While pskb_network_may_pull() ensure

Sources

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • OpenSSF OSV / OSV ScannerNov 7, 2026
  • CVE.orgNov 4, 2026