{"id":"CVE-2026-90094","published":"2026-09-17T17:17:01.020","lastModified":"2026-09-17T17:17:01.020","description":"In the Linux kernel, the following vulnerability has been resolved:\n\narm64: process: Fix context switching MTE store-only tag check\n\nSCTLR_EL1.TCSO0 is set when user opt-in for MTE store-only tag check\nmode. However, it is not part of SCTLR_USER_MASK which imply that on\ncontext switch we never clear SCTLR_EL1.TCSO0, so we are leaking that\nsetting into another task.\n\nFix that by including SCTLR_EL1_TCSO0_MASK into SCTLR_USER_MASK","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/00a73ce437e27fdc636a5ede445a4a491e01788d","tags":[]},{"url":"https://git.kernel.org/stable/c/2f10bc3ff24c91657887901c3235b803e5055f2b","tags":[]},{"url":"https://git.kernel.org/stable/c/b8f070ac3167595069feb1f794c127b805115645","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}