CVE-2026-53091High· 8.4▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: net: pull headers in qdisc_pkt_len_segs_init() Most ndo_start_xmit() methods expects headers of gso packets to be already in skb->head. net/core/tso.c users are parti…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 46.2 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 9.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.1%
0.1% → 0.2%
8.4 → 7
7 → 8.4
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
net: pull headers in qdisc_pkt_len_segs_init()
Most ndo_start_xmit() methods expects headers of gso packets to be already in skb->head.
net/core/tso.c users are particularly at risk, because tso_build_hdr() does a memcpy(hdr, skb->data, hdr_len);
qdisc_pkt_len_segs_init() already does a dissection of gso packets.
Use pskb_may_pull() instead of skb_header_pointer() to make sure drivers do not have to reimplement this.
Some malicious packets could be fed, detect them so that we can drop them sooner with a new SKB_DROP_REASON_SKB_BAD_GSO drop_reason.
Linux >= e876f208af18b074f800656e4d1b99da75b2135f < 5895cfc76924a629c6eaa5e5f049de642860045fLinux >= e876f208af18b074f800656e4d1b99da75b2135f < 7564dc804d8289d2e5c6edb8173754051b71bff4Linux >= e876f208af18b074f800656e4d1b99da75b2135f < 9d4f5c68f5ad4ab425f3ce1500c97c9f9743999aLinux >= e876f208af18b074f800656e4d1b99da75b2135f < 7fb4c19670110f052c04e1ec1d2b953b9f4f57e4Linux 3.16Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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