CVE-2026-68151 Affecting linux-6.12 package, versions <6.12.101-1~deb12u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published18 Aug 2026
- disclosed10 Aug 2026
Introduced: 10 Aug 2026
CVE-2026-68151 (opens in a new tab)How to fix?
Upgrade Echo:latest linux-6.12 to version 6.12.101-1~deb12u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream linux-6.12 package and not the linux-6.12 package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
binfmt_elf_fdpic: only honour the first PT_INTERP
The program header scan handles PT_INTERP from a switch nested in the scan loop, so its break leaves the switch and not the loop. A binary carrying more than one PT_INTERP runs the case again and overwrites both interpreter_name and interpreter. The previous name allocation leaks and so does the previous interpreter reference, along with the write denial open_exec() took on it. The denial is never released, so the file stays unwritable for as long as the system runs.
An unprivileged caller reaches this with a crafted binary and repeats it at will. binfmt_elf stops at the first PT_INTERP. Do the same here.
The flaw dates back to the driver's introduction in the pre-git history tree introduced in v2.6.11 by 91808d6ebe39 ("[PATCH] FRV: Add FDPIC ELF binary format driver").
References
- https://advisory.echohq.com/cve/CVE-2026-68151
- https://git.kernel.org/stable/c/21eaf5594a33d16343a011c752624099c30e918f
- https://git.kernel.org/stable/c/3349ef6a366a61d631f6a263d12cea240957719d
- https://git.kernel.org/stable/c/69ecc199880bf7e8d06224c82dc411d18f9285f8
- https://git.kernel.org/stable/c/89b9121c3b0162655fc2f190b714ae64f1aa8cae
- https://git.kernel.org/stable/c/e4563e07ef5c938d5332c5c44721db976f214bc6
- https://git.kernel.org/stable/c/3c31397b0a75310217f1f2f3c7bdfd8af67aec4c
- https://git.kernel.org/stable/c/849a7bd9d266e43a457db5c6b322600f916a2127
- https://git.kernel.org/stable/c/9854538349aaf6fb88ed33b56987954ac1716151