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CVE-2021-4158 (GCVE-0-2021-4158)
Vulnerability from cvelistv5 – Published: 2022-08-24 15:10 – Updated: 2024-08-03 17:16- CWE-476 - - NULL Pointer Dereference
| URL | Tags |
|---|---|
| https://gitlab.com/qemu-project/qemu/-/issues/770 | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=2035002 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2021-4158 | x_refsource_MISC |
| https://www.mail-archive.com/qemu-devel%40nongnu.… | x_refsource_MISC |
| https://gitlab.com/qemu-project/qemu/-/commit/9bd… | x_refsource_MISC |
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ALSA-2022:1759 (CVE-2021-20196)
Vulnerability from osv_almalinux – Published: 2022-05-10 07:59 – Updated: 2026-10-30 18:59 – Source websiteKernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.
The following packages have been upgraded to a later upstream version: qemu-kvm (6.2.0), libvirt (8.0.0), libvirt-python (8.0.0), perl-Sys-Virt (8.0.0), seabios (1.15.0), libtpms (0.9.1). (BZ#1997410, BZ#2012802, BZ#2012806, BZ#2012813, BZ#2018392, BZ#2027716, BZ#2029355)
Security Fix(es):
-
QEMU: virtio-net: heap use-after-free in virtio_net_receive_rcu (CVE-2021-3748)
-
ntfs-3g: Out-of-bounds heap buffer access in ntfs_get_attribute_value() due to incorrect check of bytes_in_use value in MFT records (CVE-2021-33285)
-
ntfs-3g: Heap buffer overflow triggered by a specially crafted Unicode string (CVE-2021-33286)
-
ntfs-3g: Heap buffer overflow in ntfs_attr_pread_i() triggered by specially crafted NTFS attributes (CVE-2021-33287)
-
ntfs-3g: Heap buffer overflow triggered by a specially crafted MFT section (CVE-2021-33289)
-
ntfs-3g: Heap buffer overflow triggered by a specially crafted NTFS inode pathname (CVE-2021-35266)
-
ntfs-3g: Stack buffer overflow triggered when correcting differences between MFT and MFTMirror sections (CVE-2021-35267)
-
ntfs-3g: Heap buffer overflow in ntfs_inode_real_open() triggered by a specially crafted NTFS inode (CVE-2021-35268)
-
ntfs-3g: Heap buffer overflow in ntfs_attr_setup_flag() triggered by a specially crafted NTFS attribute from MFT (CVE-2021-35269)
-
ntfs-3g: NULL pointer dereference in ntfs_extent_inode_open() (CVE-2021-39251)
-
ntfs-3g: Out-of-bounds read in ntfs_ie_lookup() (CVE-2021-39252)
-
ntfs-3g: Out-of-bounds read in ntfs_runlists_merge_i() (CVE-2021-39253)
-
ntfs-3g: Integer overflow in memmove() leading to heap buffer overflow in ntfs_attr_record_resize() (CVE-2021-39254)
-
ntfs-3g: Out-of-bounds read ntfs_attr_find_in_attrdef() triggered by an invalid attribute (CVE-2021-39255)
-
ntfs-3g: Heap buffer overflow in ntfs_inode_lookup_by_name() (CVE-2021-39256)
-
ntfs-3g: Endless recursion from ntfs_attr_pwrite() triggered by an unallocated bitmap (CVE-2021-39257)
-
ntfs-3g: Out-of-bounds reads in ntfs_attr_find() and ntfs_external_attr_find() (CVE-2021-39258)
-
ntfs-3g: Out-of-bounds access in ntfs_inode_lookup_by_name() caused by an unsanitized attribute length (CVE-2021-39259)
-
ntfs-3g: Out-of-bounds access in ntfs_inode_sync_standard_information() (CVE-2021-39260)
-
ntfs-3g: Heap buffer overflow in ntfs_compressed_pwrite() (CVE-2021-39261)
-
ntfs-3g: Out-of-bounds access in ntfs_decompress() (CVE-2021-39262)
-
ntfs-3g: Heap buffer overflow in ntfs_get_attribute_value() caused by an unsanitized attribute (CVE-2021-39263)
-
libnbd: nbdcopy: missing error handling may create corrupted destination image (CVE-2022-0485)
-
hivex: stack overflow due to recursive call of _get_children() (CVE-2021-3622)
-
nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS (CVE-2021-3716)
-
libvirt: segmentation fault during VM shutdown can lead to vdsm hang (CVE-2021-3975)
-
QEMU: NULL pointer dereference in mirror_wait_on_conflicts() in block/mirror.c (CVE-2021-4145)
-
QEMU: NULL pointer dereference in pci_write() in hw/acpi/pcihp.c (CVE-2021-4158)
-
QEMU: block: fdc: null pointer dereference may lead to guest crash (CVE-2021-20196)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
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"details": "Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.\n\nThe following packages have been upgraded to a later upstream version: qemu-kvm (6.2.0), libvirt (8.0.0), libvirt-python (8.0.0), perl-Sys-Virt (8.0.0), seabios (1.15.0), libtpms (0.9.1). (BZ#1997410, BZ#2012802, BZ#2012806, BZ#2012813, BZ#2018392, BZ#2027716, BZ#2029355)\n\nSecurity Fix(es):\n\n* QEMU: virtio-net: heap use-after-free in virtio_net_receive_rcu (CVE-2021-3748)\n\n* ntfs-3g: Out-of-bounds heap buffer access in ntfs_get_attribute_value() due to incorrect check of bytes_in_use value in MFT records (CVE-2021-33285)\n\n* ntfs-3g: Heap buffer overflow triggered by a specially crafted Unicode string (CVE-2021-33286)\n\n* ntfs-3g: Heap buffer overflow in ntfs_attr_pread_i() triggered by specially crafted NTFS attributes (CVE-2021-33287)\n\n* ntfs-3g: Heap buffer overflow triggered by a specially crafted MFT section (CVE-2021-33289)\n\n* ntfs-3g: Heap buffer overflow triggered by a specially crafted NTFS inode pathname (CVE-2021-35266)\n\n* ntfs-3g: Stack buffer overflow triggered when correcting differences between MFT and MFTMirror sections (CVE-2021-35267)\n\n* ntfs-3g: Heap buffer overflow in ntfs_inode_real_open() triggered by a specially crafted NTFS inode (CVE-2021-35268)\n\n* ntfs-3g: Heap buffer overflow in ntfs_attr_setup_flag() triggered by a specially crafted NTFS attribute from MFT (CVE-2021-35269)\n\n* ntfs-3g: NULL pointer dereference in ntfs_extent_inode_open() (CVE-2021-39251)\n\n* ntfs-3g: Out-of-bounds read in ntfs_ie_lookup() (CVE-2021-39252)\n\n* ntfs-3g: Out-of-bounds read in ntfs_runlists_merge_i() (CVE-2021-39253)\n\n* ntfs-3g: Integer overflow in memmove() leading to heap buffer overflow in ntfs_attr_record_resize() (CVE-2021-39254)\n\n* ntfs-3g: Out-of-bounds read ntfs_attr_find_in_attrdef() triggered by an invalid attribute (CVE-2021-39255)\n\n* ntfs-3g: Heap buffer overflow in ntfs_inode_lookup_by_name() (CVE-2021-39256)\n\n* ntfs-3g: Endless recursion from ntfs_attr_pwrite() triggered by an unallocated bitmap (CVE-2021-39257)\n\n* ntfs-3g: Out-of-bounds reads in ntfs_attr_find() and ntfs_external_attr_find() (CVE-2021-39258)\n\n* ntfs-3g: Out-of-bounds access in ntfs_inode_lookup_by_name() caused by an unsanitized attribute length (CVE-2021-39259)\n\n* ntfs-3g: Out-of-bounds access in ntfs_inode_sync_standard_information() (CVE-2021-39260)\n\n* ntfs-3g: Heap buffer overflow in ntfs_compressed_pwrite() (CVE-2021-39261)\n\n* ntfs-3g: Out-of-bounds access in ntfs_decompress() (CVE-2021-39262)\n\n* ntfs-3g: Heap buffer overflow in ntfs_get_attribute_value() caused by an unsanitized attribute (CVE-2021-39263)\n\n* libnbd: nbdcopy: missing error handling may create corrupted destination image (CVE-2022-0485)\n\n* hivex: stack overflow due to recursive call of _get_children() (CVE-2021-3622)\n\n* nbdkit: NBD_OPT_STRUCTURED_REPLY injection on STARTTLS (CVE-2021-3716)\n\n* libvirt: segmentation fault during VM shutdown can lead to vdsm hang (CVE-2021-3975)\n\n* QEMU: NULL pointer dereference in mirror_wait_on_conflicts() in block/mirror.c (CVE-2021-4145)\n\n* QEMU: NULL pointer dereference in pci_write() in hw/acpi/pcihp.c (CVE-2021-4158)\n\n* QEMU: block: fdc: null pointer dereference may lead to guest crash (CVE-2021-20196)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
"id": "ALSA-2022:1759",
"modified": "2026-10-30T18:59:05Z",
"published": "2022-05-10T07:59:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2022:1759"
},
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"CVE-2021-33285",
"CVE-2021-33286",
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"schema_version": "1.7.0",
"summary": "Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update",
"upstream": [
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"CVE-2021-33285",
"CVE-2021-33286",
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"CVE-2021-33289",
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"CVE-2021-39259",
"CVE-2021-39260",
"CVE-2021-39261",
"CVE-2021-39262",
"CVE-2021-39263",
"CVE-2021-3975",
"CVE-2021-4145",
"CVE-2021-4158",
"CVE-2022-0485"
]
}
ALSA-2022:7967 (CVE-2021-3507)
Vulnerability from osv_almalinux – Published: 2022-11-15 00:00 – Updated: 2022-11-18 05:35 – Source websiteKernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
The following packages have been upgraded to a later upstream version: qemu-kvm (7.0.0). (BZ#2064757)
Security Fix(es):
- QEMU: hcd-ehci: DMA reentrancy issue leads to use-after-free (CVE-2021-3750)
- QEMU: fdc: heap buffer overflow in DMA read data transfers (CVE-2021-3507)
- QEMU: intel-hda: segmentation fault due to stack overflow (CVE-2021-3611)
- QEMU: NULL pointer dereference in pci_write() in hw/acpi/pcihp.c (CVE-2021-4158)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
| URL | Type | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
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},
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],
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},
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],
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]
},
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"package": {
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"name": "qemu-kvm-device-display-virtio-vga"
},
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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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"name": "qemu-kvm-ui-egl-headless"
},
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},
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],
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},
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"name": "qemu-pr-helper"
},
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}
]
}
],
"details": "Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.\n\nThe following packages have been upgraded to a later upstream version: qemu-kvm (7.0.0). (BZ#2064757)\n\nSecurity Fix(es):\n\n* QEMU: hcd-ehci: DMA reentrancy issue leads to use-after-free (CVE-2021-3750)\n* QEMU: fdc: heap buffer overflow in DMA read data transfers (CVE-2021-3507)\n* QEMU: intel-hda: segmentation fault due to stack overflow (CVE-2021-3611)\n* QEMU: NULL pointer dereference in pci_write() in hw/acpi/pcihp.c (CVE-2021-4158)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.",
"id": "ALSA-2022:7967",
"modified": "2022-11-18T05:35:34Z",
"published": "2022-11-15T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2022:7967"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2021-3507"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2021-3611"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2021-3750"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2021-4158"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1951118"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1973784"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/1999073"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2035002"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/9/ALSA-2022-7967.html"
}
],
"related": [
"CVE-2021-3507",
"CVE-2021-3611",
"CVE-2021-3750",
"CVE-2021-4158"
],
"schema_version": "1.7.0",
"summary": "Moderate: qemu-kvm security, bug fix, and enhancement update",
"upstream": [
"CVE-2021-3507",
"CVE-2021-3611",
"CVE-2021-3750",
"CVE-2021-4158"
]
}
CLEANSTART-2026-WF49631 (CVE-2021-4158)
Vulnerability from cleanstart – Published: 2026-10-31 13:30 – Updated: 2026-05-20 13:30 – Source websiteSecurity vulnerability affects the qemu package. A NULL pointer dereference issue was found in the ACPI code of QEMU.
{
"affected": [
{
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"name": "qemu",
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},
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},
{
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}
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}
],
"credits": [],
"database_specific": {},
"details": "Security vulnerability affects the qemu package. A NULL pointer dereference issue was found in the ACPI code of QEMU.",
"id": "CLEANSTART-2026-WF49631",
"modified": "2026-05-20T13:30:19Z",
"published": "2026-10-31T13:30:39.254804Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-WF49631.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2021-4158"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4158"
}
],
"related": [],
"schema_version": "1.7.3",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
"type": "CVSS_V3"
}
],
"summary": "NULL pointer dereference issue was found in the ACPI code of QEMU",
"upstream": [
"CVE-2021-4158"
]
}
厂商已发布了漏洞修复程序,请及时关注更新: https://ubuntu.com/security/notices/USN-5307-1
| Name | QEMU QEMU >=6.0.0,<7.0.0 |
|---|
{
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"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-4158"
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"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://ubuntu.com/security/notices/USN-5307-1",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2022-84162",
"openTime": "2022-12-02",
"patchDescription": "QEMU \u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nQEMU \u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eQEMU\u7f51\u5361\u6a21\u62df\u5668\u9519\u8bef\u5904\u7406\u4e86\u67d0\u4e9b\u503c\u3002\u5ba2\u6237\u673a\u5185\u90e8\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4QEMU\u5d29\u6e83\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
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"products": {
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},
"referenceLink": "https://vigilance.fr/vulnerability/QEMU-NULL-pointer-dereference-via-pci-write-37665",
"serverity": "\u4e2d",
"submitTime": "2022-03-02",
"title": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-84162\uff09"
}
FKIE_CVE-2021-4158
Vulnerability from fkie_nvd - Published: 2022-08-24 16:15 - Updated: 2026-06-17 04:19| URL | Tags | ||
|---|---|---|---|
| secalert@redhat.com | https://access.redhat.com/security/cve/CVE-2021-4158 | Third Party Advisory | |
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2035002 | Issue Tracking, Patch, Third Party Advisory | |
| secalert@redhat.com | https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e | Patch, Third Party Advisory | |
| secalert@redhat.com | https://gitlab.com/qemu-project/qemu/-/issues/770 | Exploit, Third Party Advisory | |
| secalert@redhat.com | https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://access.redhat.com/security/cve/CVE-2021-4158 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=2035002 | Issue Tracking, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e | Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://gitlab.com/qemu-project/qemu/-/issues/770 | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html | Patch, Third Party Advisory |
| Vendor | Product | Version | |
|---|---|---|---|
| qemu | qemu | * | |
| redhat | enterprise_linux | 9.0 |
{
"affected": [
{
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]
}
],
"source": "secalert@redhat.com"
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},
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"value": "Se ha encontrado un problema de desreferencia de puntero NULL en el c\u00f3digo ACPI de QEMU. Un usuario malicioso y con privilegios dentro del hu\u00e9sped pod\u00eda usar este fallo para bloquear el proceso de QEMU en el host, resultando en una situaci\u00f3n de denegaci\u00f3n de servicio."
}
],
"id": "CVE-2021-4158",
"lastModified": "2026-06-17T04:19:07.997",
"metrics": {
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{
"cvssData": {
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.0,
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"scope": "CHANGED",
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"version": "3.1"
},
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"impactScore": 4.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
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{
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"tags": [
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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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]
}
GHSA-9P4W-6FPQ-FPM6
Vulnerability from github – Published: 2022-08-25 00:00 – Updated: 2022-08-29 20:06A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.
{
"affected": [],
"aliases": [
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],
"database_specific": {
"cwe_ids": [
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],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-08-24T16:15:00Z",
"severity": "MODERATE"
},
"details": "A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.",
"id": "GHSA-9p4w-6fpq-fpm6",
"modified": "2022-08-29T20:06:54Z",
"published": "2022-08-25T00:00:27Z",
"references": [
{
"type": "ADVISORY",
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},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2022:1759"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2022:7967"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2021-4158"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2035002"
},
{
"type": "WEB",
"url": "https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e"
},
{
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"url": "https://gitlab.com/qemu-project/qemu/-/issues/770"
},
{
"type": "WEB",
"url": "https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html"
},
{
"type": "WEB",
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}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GSD-2021-4158
Vulnerability from gsd - Updated: 2023-12-13 01:23{
"GSD": {
"alias": "CVE-2021-4158",
"description": "A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.",
"id": "GSD-2021-4158",
"references": [
"https://www.suse.com/security/cve/CVE-2021-4158.html",
"https://ubuntu.com/security/CVE-2021-4158",
"https://linux.oracle.com/cve/CVE-2021-4158.html",
"https://access.redhat.com/errata/RHSA-2022:1759",
"https://access.redhat.com/errata/RHSA-2022:7967"
]
},
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"modified": "2023-12-13T01:23:11.642375Z",
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"value": "Se ha encontrado un problema de desreferencia de puntero NULL en el c\u00f3digo ACPI de QEMU. Un usuario malicioso y con privilegios dentro del hu\u00e9sped pod\u00eda usar este fallo para bloquear el proceso de QEMU en el host, resultando en una situaci\u00f3n de denegaci\u00f3n de servicio."
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"id": "CVE-2021-4158",
"lastModified": "2024-01-25T21:29:39.943",
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"baseScore": 6.0,
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
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"published": "2022-08-24T16:15:09.660",
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MSRC_CVE-2021-4158
Vulnerability from csaf_microsoft - Published: 2022-08-02 00:00 - Updated: 2024-09-11 00:00NCSC-2024-0339
Vulnerability from csaf_ncscnl - Published: 2024-08-13 18:23 - Updated: 2024-08-13 18:23OESA-2022-1772 (CVE-2021-4158)
Vulnerability from osv_openeuler – Published: 2022-07-22 11:05 – Updated: 2026-08-06 11:05 – Source websiteQEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.
Security Fix(es):
A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.(CVE-2021-4158)
A flaw was found in the QEMU virtio-fs shared file system daemon (virtiofsd) implementation. A local guest user can create files in the directories shared by virtio-fs with unintended group ownership in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of the group. This issue allows a malicious user to trigger CVE-2018-13405 to obtain sensitive information or potentially escalate their privileges on the system.(CVE-2022-0358)
| URL | Type | |
|---|---|---|
{
"affected": [
{
"ecosystem_specific": {
"aarch64": [
"qemu-block-iscsi-6.2.0-43.oe2203.aarch64.rpm",
"qemu-block-curl-6.2.0-43.oe2203.aarch64.rpm",
"qemu-block-rbd-6.2.0-43.oe2203.aarch64.rpm",
"qemu-system-aarch64-6.2.0-43.oe2203.aarch64.rpm",
"qemu-img-6.2.0-43.oe2203.aarch64.rpm",
"qemu-system-x86_64-6.2.0-43.oe2203.aarch64.rpm",
"qemu-block-ssh-6.2.0-43.oe2203.aarch64.rpm",
"qemu-6.2.0-43.oe2203.aarch64.rpm",
"qemu-debugsource-6.2.0-43.oe2203.aarch64.rpm",
"qemu-system-arm-6.2.0-43.oe2203.aarch64.rpm",
"qemu-guest-agent-6.2.0-43.oe2203.aarch64.rpm",
"qemu-hw-usb-host-6.2.0-43.oe2203.aarch64.rpm",
"qemu-debuginfo-6.2.0-43.oe2203.aarch64.rpm",
"qemu-system-riscv-6.2.0-43.oe2203.aarch64.rpm"
],
"noarch": [
"qemu-help-6.2.0-43.oe2203.noarch.rpm"
],
"src": [
"qemu-6.2.0-43.oe2203.src.rpm"
],
"x86_64": [
"qemu-debugsource-6.2.0-43.oe2203.x86_64.rpm",
"qemu-img-6.2.0-43.oe2203.x86_64.rpm",
"qemu-debuginfo-6.2.0-43.oe2203.x86_64.rpm",
"qemu-6.2.0-43.oe2203.x86_64.rpm",
"qemu-hw-usb-host-6.2.0-43.oe2203.x86_64.rpm",
"qemu-system-aarch64-6.2.0-43.oe2203.x86_64.rpm",
"qemu-seabios-6.2.0-43.oe2203.x86_64.rpm",
"qemu-system-x86_64-6.2.0-43.oe2203.x86_64.rpm",
"qemu-block-curl-6.2.0-43.oe2203.x86_64.rpm",
"qemu-block-rbd-6.2.0-43.oe2203.x86_64.rpm",
"qemu-system-arm-6.2.0-43.oe2203.x86_64.rpm",
"qemu-block-ssh-6.2.0-43.oe2203.x86_64.rpm",
"qemu-block-iscsi-6.2.0-43.oe2203.x86_64.rpm",
"qemu-system-riscv-6.2.0-43.oe2203.x86_64.rpm",
"qemu-guest-agent-6.2.0-43.oe2203.x86_64.rpm"
]
},
"package": {
"ecosystem": "openEuler:22.03-LTS",
"name": "qemu",
"purl": "pkg:rpm/openEuler/qemu\u0026distro=openEuler-22.03-LTS"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.2.0-43.oe2203"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"database_specific": {
"severity": "Medium"
},
"details": "QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.\r\n\r\nSecurity Fix(es):\r\n\r\nA NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.(CVE-2021-4158)\n\nA flaw was found in the QEMU virtio-fs shared file system daemon (virtiofsd) implementation. A local guest user can create files in the directories shared by virtio-fs with unintended group ownership in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of the group. This issue allows a malicious user to trigger CVE-2018-13405 to obtain sensitive information or potentially escalate their privileges on the system.(CVE-2022-0358)",
"id": "OESA-2022-1772",
"modified": "2026-08-06T11:05:02Z",
"published": "2022-07-22T11:05:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1772"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4158"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-0358"
}
],
"schema_version": "1.7.2",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
],
"summary": "qemu security update",
"upstream": [
"CVE-2021-4158",
"CVE-2022-0358"
]
}
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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