CVE-2026-98048
CVE CVE-2026-98048EUVD EUVD-2026-86701Published 2026-09-25T10:23:57.000Z
What the advisory describes
In the Linux kernel, the following vulnerability has been resolved: bpf: don't rewrite bpf_fastcall patterns entered by a jump mark_fastcall_pattern_for_call() must ensure that matched "spill; call; fill" instruction series is not interrupted by a jump. Otherwise the rewrite applied by bpf_remove_fastcall_spills_fills() is not sound. Record the instructions targeted by jumps in insn_aux_data[*].jump_target when the CFG is built and use this flag to stop growing a pattern at such an instruction. Jumps to the first spill are fine. Note that existing insn_aux_data[*].jmp_point field can't be reused, as it marks subprogram return instructions.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- Linux — Linux patch: 7.2.7; patch: 0; 6.12; 5b5f51bff1b66cedb62b5ba74a1878341204e057 <0b1c83dc3c4401cd7e846548f62e3caf3d06742e; 5b5f51bff1b66cedb62b5ba74a1878341204e057 <24adbc2c3bbe3385ce922587e1f8e837a68b3e25; patch: 7.3-rc2
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- Linux — Linux
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