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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:157969
[Eng]
Version
1
Class
patch
ALTXid
363961
Language
Russian
Severity
High
Title
Обновление RHSA-2021:2735 : устранение уязвимостей в kernel
Description
kernel: size_t-to-int conversion vulnerability in the filesystem layer.
kernel: Integer overflow in Intel(R) Graphics Drivers.
kernel: Use after free via PI futex state.
Family
unix
Platform
Red Hat Enterprise Linux 6
Product
kernel
Reference
VENDOR: RHSA-2021:2735
VENDOR: RHSA-2021:2735
Id:
RHSA-2021:2735
Reference:
https://access.redhat.com/errata/RHSA-2021:2735
CVE: CVE-2020-12362
CVE: CVE-2020-12362
Id:
CVE-2020-12362
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12362
Comment
: Integer overflow in the firmware for some Intel(R) Graphics Drivers for Windows * before version 26.20.100.7212 and before Linux kernel version 5.5 may allow a privileged user to potentially enable an escalation of privilege via local access.
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:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
190 (Integer Overflow or Wraparound)
References:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00438.html (MISC)
[debian-lts-announce] 20230401 [SECURITY] [DLA 3380-1] firmware-nonfree LTS new upstream version (security updates and newer firmware for Linux 5.10) (MLIST)
CVE: CVE-2021-3347
CVE: CVE-2021-3347
Id:
CVE-2021-3347
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3347
Comment
: An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907a (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c64396cc36c6e60704ab06c1fb1c4a46179c9120 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6d (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307 (MISC)
https://www.openwall.com/lists/oss-security/2021/01/29/3 (MISC)
https://www.openwall.com/lists/oss-security/2021/01/29/1 (MISC)
[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes (MLIST)
[oss-security] 20210129 Re: Linux Kernel: local priv escalation via futexes (MLIST)
[oss-security] 20210201 Re: Linux Kernel: local priv escalation via futexes (MLIST)
DSA-4843 (DEBIAN)
[debian-lts-announce] 20210212 [SECURITY] [DLA 2557-1] linux-4.19 security update (MLIST)
https://security.netapp.com/advisory/ntap-20210304-0005/ (CONFIRM)
[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update (MLIST)
FEDORA-2021-6e805a5051 ()
FEDORA-2021-879c756377 ()
CVE: CVE-2021-33909
CVE: CVE-2021-33909
Id:
CVE-2021-33909
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33909
Comment
: fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 does not properly restrict seq buffer allocations, leading to an integer overflow, an Out-of-bounds Write, and escalation to root by an unprivileged user, aka CID-8cae8cd89f05.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 (CONFIRM)
https://github.com/torvalds/linux/commit/8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b (CONFIRM)
https://www.openwall.com/lists/oss-security/2021/07/20/1 (MISC)
[debian-lts-announce] 20210720 [SECURITY] [DLA 2713-2] linux security update (MLIST)
[debian-lts-announce] 20210720 [SECURITY] [DLA 2714-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20210720 [SECURITY] [DLA 2713-1] linux security update (MLIST)
DSA-4941 (DEBIAN)
http://packetstormsecurity.com/files/163621/Sequoia-A-Deep-Root-In-Linuxs-Filesystem-Layer.html (MISC)
[oss-security] 20210722 Re: CVE-2021-33909: size_t-to-int vulnerability in Linux's filesystem layer (MLIST)
http://packetstormsecurity.com/files/163671/Kernel-Live-Patch-Security-Notice-LSN-0079-1.html (MISC)
https://security.netapp.com/advisory/ntap-20210819-0004/ (CONFIRM)
[oss-security] 20210825 Re: CVE-2021-33909: size_t-to-int vulnerability in Linux's filesystem layer (MLIST)
http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html (MISC)
[oss-security] 20210916 Containers-optimized OS (COS) membership in the linux-distros list (MLIST)
[oss-security] 20210917 Re: Containers-optimized OS (COS) membership in the linux-distros list (MLIST)
[oss-security] 20210920 Re: Containers-optimized OS (COS) membership in the linux-distros list (MLIST)
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html (MISC)
https://www.oracle.com/security-alerts/cpujan2022.html (MISC)
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0015 (CONFIRM)
FEDORA-2021-07dc0b3eb1 ()
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