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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:133208
[Eng]
Version
3
Class
patch
ALTXid
327866
Language
Russian
Severity
Low
Title
Обновление USN-4411-1 -- уязвимости Linux kernel
Description
It was discovered that the elf handling code in the Linux kernel did notinitialize memory before using it in certain situations. A local attackercould use this to possibly expose sensitive information (kernel memory).(CVE-2020-10732)
Family
unix
Platform
Linux Mint 20.x
Ubuntu 20.04
Product
linux
linux-aws
linux-gcp
linux-kvm
linux-oracle
linux-riscv
Reference
VENDOR: USN-4411-1
VENDOR: USN-4411-1
Id:
USN-4411-1
Reference:
https://ubuntu.com/security/notices/USN-4411-1
CVE: CVE-2020-10732
CVE: CVE-2020-10732
Id:
CVE-2020-10732
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10732
Comment
: A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.
CVSSv2 Score:
3.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:P
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CWE:
908 ()
References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732 (CONFIRM)
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=aca969cacf07f41070d788ce2b8ca71f09d5207d (MISC)
https://github.com/google/kmsan/issues/76 (MISC)
https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0a (MISC)
https://twitter.com/grsecurity/status/1252558055629299712 (MISC)
openSUSE-SU-2020:0801 (SUSE)
openSUSE-SU-2020:0935 (SUSE)
USN-4411-1 (UBUNTU)
USN-4427-1 (UBUNTU)
USN-4439-1 (UBUNTU)
USN-4440-1 (UBUNTU)
USN-4485-1 (UBUNTU)
https://security.netapp.com/advisory/ntap-20210129-0005/ (CONFIRM)
https://lore.kernel.org/lkml/CAG_fn=VZZ7yUxtOGzuTLkr7wmfXWtKK9BHHYawj=rt9XWnCYvg%40mail.gmail.com/ (MISC)
CVE: CVE-2020-10711
CVE: CVE-2020-10711
Id:
CVE-2020-10711
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10711
Comment
: A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7. This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. While processing the CIPSO restricted bitmap tag in the 'cipso_v4_parsetag_rbm' routine, it sets the security attribute to indicate that the category bitmap is present, even if it has not been allocated. This issue leads to a NULL pointer dereference issue while importing the same category bitmap into SELinux. This flaw allows a remote network user to crash the system kernel, resulting in a denial of service.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSSv3 Score:
5.9
Attack vector:
NETWORK
Attack complexity:
HIGH
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
476 (NULL Pointer Dereference)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10711 (CONFIRM)
https://www.openwall.com/lists/oss-security/2020/05/12/2 (CONFIRM)
https://security.netapp.com/advisory/ntap-20200608-0001/ (CONFIRM)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update (MLIST)
DSA-4699 (DEBIAN)
DSA-4698 (DEBIAN)
openSUSE-SU-2020:0801 (SUSE)
openSUSE-SU-2020:0935 (SUSE)
USN-4413-1 (UBUNTU)
USN-4411-1 (UBUNTU)
USN-4412-1 (UBUNTU)
USN-4419-1 (UBUNTU)
USN-4414-1 (UBUNTU)
CVE: CVE-2020-12770
CVE: CVE-2020-12770
Id:
CVE-2020-12770
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12770
Comment
: An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
6.7
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References:
https://lkml.org/lkml/2020/4/13/870 (CONFIRM)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee (CONFIRM)
https://security.netapp.com/advisory/ntap-20200608-0001/ (CONFIRM)
[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update (MLIST)
DSA-4699 (DEBIAN)
DSA-4698 (DEBIAN)
USN-4413-1 (UBUNTU)
USN-4411-1 (UBUNTU)
USN-4412-1 (UBUNTU)
USN-4419-1 (UBUNTU)
USN-4414-1 (UBUNTU)
FEDORA-2020-4c69987c40 ()
FEDORA-2020-c6b9fff7f8 ()
FEDORA-2020-5a69decc0c ()
CVE: CVE-2020-13143
CVE: CVE-2020-13143
Id:
CVE-2020-13143
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13143
Comment
: gadget_dev_desc_UDC_store in drivers/usb/gadget/configfs.c in the Linux kernel 3.16 through 5.6.13 relies on kstrdup without considering the possibility of an internal '\0' value, which allows attackers to trigger an out-of-bounds read, aka CID-15753588bcd4.
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE:
125 (Out-of-bounds Read)
References:
https://www.spinics.net/lists/linux-usb/msg194331.html (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=15753588bcd4bbffae1cca33c8ced5722477fe1f (MISC)
https://security.netapp.com/advisory/ntap-20200608-0001/ (CONFIRM)
[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update (MLIST)
DSA-4699 (DEBIAN)
DSA-4698 (DEBIAN)
openSUSE-SU-2020:0801 (SUSE)
openSUSE-SU-2020:0935 (SUSE)
USN-4413-1 (UBUNTU)
USN-4411-1 (UBUNTU)
USN-4412-1 (UBUNTU)
USN-4419-1 (UBUNTU)
USN-4414-1 (UBUNTU)
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=d126cf46f829d146dde3e6a8963e095ac6cfcd1c (MISC)
CVE: CVE-2020-12768
CVE: CVE-2020-12768
Id:
CVE-2020-12768
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12768
Comment
: An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
401 (Improper Release of Memory Before Removing Last Reference ('Memory Leak'))
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6 (CONFIRM)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d80b64ff297e40c2b6f7d7abc1b3eba70d22a068 (CONFIRM)
https://bugzilla.suse.com/show_bug.cgi?id=1171736#c3 (MISC)
DSA-4699 (DEBIAN)
USN-4413-1 (UBUNTU)
USN-4411-1 (UBUNTU)
USN-4412-1 (UBUNTU)
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