mirror of
https://github.com/CVEProject/cvelist.git
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140 lines
7.8 KiB
JSON
140 lines
7.8 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-55881",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: x86: Play nice with protected guests in complete_hypercall_exit()\n\nUse is_64_bit_hypercall() instead of is_64_bit_mode() to detect a 64-bit\nhypercall when completing said hypercall. For guests with protected state,\ne.g. SEV-ES and SEV-SNP, KVM must assume the hypercall was made in 64-bit\nmode as the vCPU state needed to detect 64-bit mode is unavailable.\n\nHacking the sev_smoke_test selftest to generate a KVM_HC_MAP_GPA_RANGE\nhypercall via VMGEXIT trips the WARN:\n\n ------------[ cut here ]------------\n WARNING: CPU: 273 PID: 326626 at arch/x86/kvm/x86.h:180 complete_hypercall_exit+0x44/0xe0 [kvm]\n Modules linked in: kvm_amd kvm ... [last unloaded: kvm]\n CPU: 273 UID: 0 PID: 326626 Comm: sev_smoke_test Not tainted 6.12.0-smp--392e932fa0f3-feat #470\n Hardware name: Google Astoria/astoria, BIOS 0.20240617.0-0 06/17/2024\n RIP: 0010:complete_hypercall_exit+0x44/0xe0 [kvm]\n Call Trace:\n <TASK>\n kvm_arch_vcpu_ioctl_run+0x2400/0x2720 [kvm]\n kvm_vcpu_ioctl+0x54f/0x630 [kvm]\n __se_sys_ioctl+0x6b/0xc0\n do_syscall_64+0x83/0x160\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n </TASK>\n ---[ end trace 0000000000000000 ]---"
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "5969e2435cbd7f0ce8c28d717bfc39987ee8d8f1",
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"version_value": "0840d360a8909c722fb62459f42836afe32ededb"
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},
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{
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"version_affected": "<",
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"version_name": "b5aead0064f33ae5e693a364e3204fe1c0ac9af2",
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"version_value": "7ed4db315094963de0678a8adfd43c46471b9349"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "5.16",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.16",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.176",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.122",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.68",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.7",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.13-rc4",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/0840d360a8909c722fb62459f42836afe32ededb",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/0840d360a8909c722fb62459f42836afe32ededb"
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},
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{
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"url": "https://git.kernel.org/stable/c/7ed4db315094963de0678a8adfd43c46471b9349",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/7ed4db315094963de0678a8adfd43c46471b9349"
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},
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{
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"url": "https://git.kernel.org/stable/c/3d2634ec0d1dbe8f4b511cf5261f327c6a76f4b6",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/3d2634ec0d1dbe8f4b511cf5261f327c6a76f4b6"
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},
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{
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"url": "https://git.kernel.org/stable/c/22b5c2acd65dbe949032f619d4758a35a82fffc3",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/22b5c2acd65dbe949032f619d4758a35a82fffc3"
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},
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{
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"url": "https://git.kernel.org/stable/c/9b42d1e8e4fe9dc631162c04caa69b0d1860b0f0",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/9b42d1e8e4fe9dc631162c04caa69b0d1860b0f0"
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}
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]
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},
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"generator": {
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"engine": "bippy-5f407fcff5a0"
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}
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} |