This bug was fixed in the package linux - 5.15.0-161.171
---------------
linux (5.15.0-161.171) jammy; urgency=medium
* jammy/linux: 5.15.0-161.171 -proposed tracker (LP: #2127389)
* VMSCAPE CVE-2025-40300 (LP: #2124105) // CVE-2025-40300
- Documentation/hw-vuln: Add VMSCAPE documentation
- x86/vmscape: Enumerate VMSCAPE bug
- x86/vmscape: Add conditional IBPB mitigation
- x86/vmscape: Enable the mitigation
- x86/bugs: Move cpu_bugs_smt_update() down
- x86/vmscape: Warn when STIBP is disabled with SMT
- x86/vmscape: Add old Intel CPUs to affected list
* VMSCAPE CVE-2025-40300 (LP: #2124105)
- [Config] Enable MITIGATION_VMSCAPE config
-- Manuel Diewald <[email protected]> Fri, 10 Oct 2025
20:13:58 +0200
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https://bugs.launchpad.net/bugs/2124105
Title:
VMSCAPE CVE-2025-40300
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