CVE record · CVE-2026-93798

btrfs: fix reloc root cleanup in merge_reloc_roots()

CVSS 7.8 HighEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: Linux) at 24 Sept 2026, 16:02 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected 1dae7e0e58b484eaa43d530f211098fdeeb0f404 to before 29531470b1bf1e8bd2df4941fe913106edbca615 git affected 1dae7e0e58b484eaa43d530f211098fdeeb0f404 to before 415f8665a969d3c906e4fd7c90fcbb4b357886f6 git affected 1dae7e0e58b484eaa43d530f211098fdeeb0f404 to before ee695a968aa73b1e67ccbf2133dc0e54381d32b2 git affected 1dae7e0e58b484eaa43d530f211098fdeeb0f404 to before 0bc25f0a2d1b3e0a691431c4d7aef36afcd527c5 git affected 1dae7e0e58b484eaa43d530f211098fdeeb0f404 to before ab48583aa9948205ff9a6470e23dbff74c565e24 git affected 1dae7e0e58b484eaa43d530f211098fdeeb0f404 to before 63d6b1f04cd91c825329712aa526215ffa5d11ca git affected 1dae7e0e58b484eaa43d530f211098fdeeb0f404 to before b78fe9563e2d5ae47805f1e5dc722c91fd30e1f8 git affected ee08663380ffd5a45a1c87580fbc305e8413c235 git affected 33823378ff2b510fd7b566f25bb18438aeb9b23b git affected 5.4.54 to before 5.5 semver affected 5.7.11 to before 5.8 semver Other versions: unaffected
Linux	Linux	affected 5.8 unaffected before 5.8 semver unaffected 5.10.271 to 5.10., inclusive semver unaffected 5.15.222 to 5.15., inclusive semver unaffected 6.1.189 to 6.1., inclusive semver unaffected 6.6.158 to 6.6., inclusive semver unaffected 6.12.111 to 6.12., inclusive semver unaffected 6.18.53 to 6.18., inclusive semver unaffected 7.2 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-93798
CNA: Linux
Tags: Linux kernel
Published: 24 Sept 2026
Updated: 3 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0013, the 2nd percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 24 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.