{"id":"CVE-2026-98249","state":"PUBLISHED","title":"arm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc","description":"In the Linux kernel, the following vulnerability has been resolved:\n\narm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc\n\nswsusp_arch_suspend_exit() reinstalls the restored kernel's hyp stub\nvectors with an hvc, but never passes the arguments. x0 is not set to\nHVC_SET_VECTORS and x1 is not set to the vector address, so the stub\ndispatch falls through and returns without writing vbar_el2. EL2 is\nleft pointing at the trans_pgd copy of the vectors, a page that\nswsusp_free() releases right after resume.\n\nSet the arguments up the same way __hyp_set_vectors() does.\n\nWithout this fix, Vladimir was able to trigger a hang when resuming from\nhibernation with CONFIG_PAGE_POISONING=y and page_poison=on.","publishedAt":"2026-10-06T08:45:17.414Z","updatedAt":"2026-10-19T09:16:20.676Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"6646418d1032cac25110526161f60d255ed08397","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"909e92423db7299e0206232051aa21fe129f65d0","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"60a3c319f1127c4d247d4ed235c5d65376d5e745","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"e80ea8118a073a30ebe7a31bd78938c2b1751acc","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"d3f8f773312af69eaf4dda106d76d6d42e4362e5","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"955d86e5f3b95b731991fdb84966c50b16314629","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kernel/hibernate-asm.S"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kernel/hibernate-asm.S"]}],"references":["https://git.kernel.org/stable/c/6646418d1032cac25110526161f60d255ed08397","https://git.kernel.org/stable/c/909e92423db7299e0206232051aa21fe129f65d0","https://git.kernel.org/stable/c/60a3c319f1127c4d247d4ed235c5d65376d5e745","https://git.kernel.org/stable/c/e80ea8118a073a30ebe7a31bd78938c2b1751acc","https://git.kernel.org/stable/c/d3f8f773312af69eaf4dda106d76d6d42e4362e5","https://git.kernel.org/stable/c/955d86e5f3b95b731991fdb84966c50b16314629"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98249.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98249","state":"PUBLISHED","datePublished":"2026-10-06T08:45:17.414Z","dateUpdated":"2026-10-19T09:16:20.676Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.331Z"},"containers":{"cna":{"title":"arm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\narm64: hibernate: pass HVC_SET_VECTORS args to the resume hvc\n\nswsusp_arch_suspend_exit() reinstalls the restored kernel's hyp stub\nvectors with an hvc, but never passes the arguments. x0 is not set to\nHVC_SET_VECTORS and x1 is not set to the vector address, so the stub\ndispatch falls through and returns without writing vbar_el2. EL2 is\nleft pointing at the trans_pgd copy of the vectors, a page that\nswsusp_free() releases right after resume.\n\nSet the arguments up the same way __hyp_set_vectors() does.\n\nWithout this fix, Vladimir was able to trigger a hang when resuming from\nhibernation with CONFIG_PAGE_POISONING=y and page_poison=on."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"6646418d1032cac25110526161f60d255ed08397","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"909e92423db7299e0206232051aa21fe129f65d0","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"60a3c319f1127c4d247d4ed235c5d65376d5e745","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"e80ea8118a073a30ebe7a31bd78938c2b1751acc","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"d3f8f773312af69eaf4dda106d76d6d42e4362e5","versionType":"git"},{"version":"788bfdd97434982b6d575062581e8e72eea755af","status":"affected","lessThan":"955d86e5f3b95b731991fdb84966c50b16314629","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kernel/hibernate-asm.S"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/arm64/kernel/hibernate-asm.S"]}],"references":[{"url":"https://git.kernel.org/stable/c/6646418d1032cac25110526161f60d255ed08397"},{"url":"https://git.kernel.org/stable/c/909e92423db7299e0206232051aa21fe129f65d0"},{"url":"https://git.kernel.org/stable/c/60a3c319f1127c4d247d4ed235c5d65376d5e745"},{"url":"https://git.kernel.org/stable/c/e80ea8118a073a30ebe7a31bd78938c2b1751acc"},{"url":"https://git.kernel.org/stable/c/d3f8f773312af69eaf4dda106d76d6d42e4362e5"},{"url":"https://git.kernel.org/stable/c/955d86e5f3b95b731991fdb84966c50b16314629"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:16:20.676Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}