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redhatRedHatRHSA-2021:3703
HistorySep 30, 2021 - 4:19 p.m.

(RHSA-2021:3703) Moderate: virt:av and virt-devel:av security and bug fix update

2021-09-3016:19:56
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26

0.003 Low

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)

OSVersionArchitecturePackageVersionFilename
RedHatanyaarch64libvirt-daemon-driver-nodedev< 7.0.0-14.4.module+el8.4.0+12413+d23780e6libvirt-daemon-driver-nodedev-7.0.0-14.4.module+el8.4.0+12413+d23780e6.aarch64.rpm
RedHatanyaarch64libvirt-daemon-driver-interface< 7.0.0-14.4.module+el8.4.0+12413+d23780e6libvirt-daemon-driver-interface-7.0.0-14.4.module+el8.4.0+12413+d23780e6.aarch64.rpm
RedHatanyppc64lelibvirt-wireshark-debuginfo< 7.0.0-14.4.module+el8.4.0+12413+d23780e6libvirt-wireshark-debuginfo-7.0.0-14.4.module+el8.4.0+12413+d23780e6.ppc64le.rpm
RedHatanyaarch64nbdkit-tar-filter-debuginfo< 1.24.0-1.module+el8.4.0+9341+96cf2672nbdkit-tar-filter-debuginfo-1.24.0-1.module+el8.4.0+9341+96cf2672.aarch64.rpm
RedHatanyaarch64qemu-kvm-tests< 5.2.0-16.module+el8.4.0+12596+209e4022.10qemu-kvm-tests-5.2.0-16.module+el8.4.0+12596+209e4022.10.aarch64.rpm
RedHatanyaarch64libguestfs-java< 1.44.0-2.module+el8.4.0+10146+75917d2flibguestfs-java-1.44.0-2.module+el8.4.0+10146+75917d2f.aarch64.rpm
RedHatanyppc64leqemu-guest-agent< 5.2.0-16.module+el8.4.0+12596+209e4022.10qemu-guest-agent-5.2.0-16.module+el8.4.0+12596+209e4022.10.ppc64le.rpm
RedHatanyaarch64libvirt-client-debuginfo< 7.0.0-14.4.module+el8.4.0+12413+d23780e6libvirt-client-debuginfo-7.0.0-14.4.module+el8.4.0+12413+d23780e6.aarch64.rpm
RedHatanys390xlibguestfs-tools-c-debuginfo< 1.44.0-2.module+el8.4.0+10146+75917d2flibguestfs-tools-c-debuginfo-1.44.0-2.module+el8.4.0+10146+75917d2f.s390x.rpm
RedHatanyx86_64libvirt-libs< 7.0.0-14.4.module+el8.4.0+12413+d23780e6libvirt-libs-7.0.0-14.4.module+el8.4.0+12413+d23780e6.x86_64.rpm
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