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Diffstat (limited to 'cve/published/2021/CVE-2021-47217.json')
-rw-r--r-- | cve/published/2021/CVE-2021-47217.json | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/cve/published/2021/CVE-2021-47217.json b/cve/published/2021/CVE-2021-47217.json new file mode 100644 index 00000000..8b63e33f --- /dev/null +++ b/cve/published/2021/CVE-2021-47217.json @@ -0,0 +1,133 @@ +{ + "containers": { + "cna": { + "providerMetadata": { + "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" + }, + "descriptions": [ + { + "lang": "en", + "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/hyperv: Fix NULL deref in set_hv_tscchange_cb() if Hyper-V setup fails\n\nCheck for a valid hv_vp_index array prior to derefencing hv_vp_index when\nsetting Hyper-V's TSC change callback. If Hyper-V setup failed in\nhyperv_init(), the kernel will still report that it's running under\nHyper-V, but will have silently disabled nearly all functionality.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000010\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: 0000 [#1] SMP\n CPU: 4 PID: 1 Comm: swapper/0 Not tainted 5.15.0-rc2+ #75\n Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015\n RIP: 0010:set_hv_tscchange_cb+0x15/0xa0\n Code: <8b> 04 82 8b 15 12 17 85 01 48 c1 e0 20 48 0d ee 00 01 00 f6 c6 08\n ...\n Call Trace:\n kvm_arch_init+0x17c/0x280\n kvm_init+0x31/0x330\n vmx_init+0xba/0x13a\n do_one_initcall+0x41/0x1c0\n kernel_init_freeable+0x1f2/0x23b\n kernel_init+0x16/0x120\n ret_from_fork+0x22/0x30" + } + ], + "affected": [ + { + "product": "Linux", + "vendor": "Linux", + "defaultStatus": "unaffected", + "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", + "versions": [ + { + "version": "93286261de1b", + "lessThan": "b20ec58f8a6f", + "status": "affected", + "versionType": "git" + }, + { + "version": "93286261de1b", + "lessThan": "b0e44dfb4e4c", + "status": "affected", + "versionType": "git" + }, + { + "version": "93286261de1b", + "lessThan": "9c177eee116c", + "status": "affected", + "versionType": "git" + }, + { + "version": "93286261de1b", + "lessThan": "8823ea27fff6", + "status": "affected", + "versionType": "git" + }, + { + "version": "93286261de1b", + "lessThan": "daf972118c51", + "status": "affected", + "versionType": "git" + } + ] + }, + { + "product": "Linux", + "vendor": "Linux", + "defaultStatus": "affected", + "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", + "versions": [ + { + "version": "4.16", + "status": "affected" + }, + { + "version": "0", + "lessThan": "4.16", + "status": "unaffected", + "versionType": "custom" + }, + { + "version": "4.19.218", + "lessThanOrEqual": "4.19.*", + "status": "unaffected", + "versionType": "custom" + }, + { + "version": "5.4.162", + "lessThanOrEqual": "5.4.*", + "status": "unaffected", + "versionType": "custom" + }, + { + "version": "5.10.82", + "lessThanOrEqual": "5.10.*", + "status": "unaffected", + "versionType": "custom" + }, + { + "version": "5.15.5", + "lessThanOrEqual": "5.15.*", + "status": "unaffected", + "versionType": "custom" + }, + { + "version": "5.16", + "lessThanOrEqual": "*", + "status": "unaffected", + "versionType": "original_commit_for_fix" + } + ] + } + ], + "references": [ + { + "url": "https://git.kernel.org/stable/c/b20ec58f8a6f4fef32cc71480ddf824584e24743" + }, + { + "url": "https://git.kernel.org/stable/c/b0e44dfb4e4c699cca33ede431b8d127e6e8d661" + }, + { + "url": "https://git.kernel.org/stable/c/9c177eee116cf888276d3748cb176e72562cfd5c" + }, + { + "url": "https://git.kernel.org/stable/c/8823ea27fff6084bbb4bc71d15378fae0220b1d8" + }, + { + "url": "https://git.kernel.org/stable/c/daf972118c517b91f74ff1731417feb4270625a4" + } + ], + "title": "x86/hyperv: Fix NULL deref in set_hv_tscchange_cb() if Hyper-V setup fails", + "x_generator": { + "engine": "bippy-d175d3acf727" + } + } + }, + "cveMetadata": { + "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", + "cveID": "CVE-2021-47217", + "requesterUserId": "gregkh@kernel.org", + "serial": "1", + "state": "PUBLISHED" + }, + "dataType": "CVE_RECORD", + "dataVersion": "5.0" +} |