CVE-2026-89949: Linux vulnerability

CVE-2026-89949: batman-adv: dat: avoid unaligned fault in IP extraction

In the Linux kernel, the following vulnerability has been resolved: batman-adv: dat: avoid unaligned fault in IP extraction Independent of the alignment of the ARP packet in the SKB, either the batadv_arp_ip_src or the batadv_arp_ip_dst will have an unaligned access (on HW without native unaligned read support). Use get_unaligned() to handle this properly on all architectures.

UnknownCVSS not scoredNot KEV-listedUpdatedOct 19, 2026, 08:55 UTC (UTC+00:00)

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2026-89949 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 16, 2026, 10:32 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

3Timeline events

0ADP providers

9Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
Sep 11, 2026, 19:38 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
Sep 16, 2026, 10:32 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Oct 19, 2026, 08:55 UTC (UTC+00:00)

Source materials

CVE List V5 sourceCVE List V5
https://git.kernel.org/stable/c/b1bbc694ca51adb8dbed3f3235b4fcbdb44e0e20CVE reference, Linux
https://git.kernel.org/stable/c/15dbfb37f0e1a085d48deeb8f5238e9d28127ddeCVE reference, Linux
https://git.kernel.org/stable/c/a170d4617e8cca05a1314de61728a262ef272782CVE reference, Linux
https://git.kernel.org/stable/c/c74a4acf41d19f21199dec2d6c813c90d31cd02cCVE reference, Linux
https://git.kernel.org/stable/c/91c99b4e152023c7d458a5dedd52d2b0d7df4ce3CVE reference, Linux
https://git.kernel.org/stable/c/1cfa7d5f70d54cb8c7e82df739430782d1996ee1CVE reference, Linux
https://git.kernel.org/stable/c/0c2df865338bbf92aa45b9253e5f9b8ef2d9992fCVE reference, Linux
https://git.kernel.org/stable/c/0121afa52cdb88cfb4d5d7bd126a23a9100121d8CVE reference, Linux

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

LinuxLinux5c3a0e5535933349a5d6e6bc8b704e0611f21d3f, 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f, 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f, 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f, 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f, 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f, 5c3a0e5535933349a5d6e6bc8b704e0611f21d3f, 5c3a0e5535933349a5d6e6bc8b704e0611f21d3funaffected

LinuxLinux3.8, 0, 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.51, 7.2.5, 7.3affected

Weakness

CWE details

No CWE listed

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