CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
Percentile
71.3%
The Advanced Virtualization module provides the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
Security Fix(es):
QEMU: usbredir: free() call on invalid pointer in bufp_alloc() (CVE-2021-3682)
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)
QEMU: net: Infinite loop in loopback mode may lead to stack overflow (CVE-2021-3416)
libvirt: Insecure sVirt label generation (CVE-2021-3631)
libvirt: Improper locking on ACL failure in virStoragePoolLookupByTargetPath API (CVE-2021-3667)
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.
Bug Fix(es):
SAP/3TB VM migration slowness [idle db] (BZ#1984458)
Detecting TSC timer frequencies requires too many privileges (BZ#1996130)
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
Percentile
71.3%