Linux Kernel vulnerability Dirty Frag
CVSSv3 Score: 8.8 Linux kernel is impacted by CVE-2026-43284 and CVE-2026-43500 which chained together create the Dirty Frag vulnerability.CVE-2026-43284In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter(), so later paths that may modify packet data can first make a private copy. The IPv4/IPv6 datagram append paths did not set this flag when splicing pages into UDP skbs. That leaves an ESP-
Read at Fortinet PSIRT Advisories
- Vendor
- Fortinet, Linux kernel
- Product
- Linux kernel
- CVSS
- 3.0
- Fix
- available
- Exposure class
- Operating system
Why it ranks 30 (Notable)
- Product class: operating system
- Widely deployed vendor product (Fortinet)
- Covered by 2 independent sources
- Fix available
- Vendor security advisory
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- Fortinet PSIRT Advisories (fortiguard.fortinet.com)
- CVE-2026-43284 on this site · NVD · CVE.org · Vulnpedia
- CVE-2026-43500 on this site · NVD · CVE.org · Vulnpedia
Related coverage
Other items that share a CVE or were clustered with this one.