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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:150318
[Rus]
Version
2
Class
patch
ALTXid
352370
Language
English
Severity
High
Title
RHSA-2021:1295 -- kpatch-patch security update
Description
kernel: Use after free via PI futex state (CVE-2021-3347)
kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
Family
unix
Platform
Red Hat Enterprise Linux 8.2
Product
kpatch-patch-4_18_0-193
kpatch-patch-4_18_0-193_1_2
kpatch-patch-4_18_0-193_13_2
kpatch-patch-4_18_0-193_14_3
kpatch-patch-4_18_0-193_19_1
kpatch-patch-4_18_0-193_28_1
kpatch-patch-4_18_0-193_29_1
kpatch-patch-4_18_0-193_37_1
kpatch-patch-4_18_0-193_40_1
kpatch-patch-4_18_0-193_41_1
kpatch-patch-4_18_0-193_46_1
kpatch-patch-4_18_0-193_47_1
kpatch-patch-4_18_0-193_6_3
Reference
VENDOR: RHSA-2021:1295
VENDOR: RHSA-2021:1295
Id:
RHSA-2021:1295
Reference:
https://access.redhat.com/errata/RHSA-2021:1295
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-2021-27364
CVE: CVE-2021-27364
Id:
CVE-2021-27364
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27364
Comment
: An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.
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:
7.1
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE:
125 (Out-of-bounds Read)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1182717 (MISC)
https://www.openwall.com/lists/oss-security/2021/03/06/1 (MISC)
[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update (MLIST)
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html (MISC)
[debian-lts-announce] 20210330 [SECURITY] [DLA 2610-1] linux-4.19 security update (MLIST)
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html (MISC)
https://security.netapp.com/advisory/ntap-20210409-0001/ (CONFIRM)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
CVE: CVE-2021-27365
CVE: CVE-2021-27365
Id:
CVE-2021-27365
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27365
Comment
: An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
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:
787 (Out-of-bounds Write)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee (MISC)
https://www.openwall.com/lists/oss-security/2021/03/06/1 (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1182715 (MISC)
[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update (MLIST)
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html (MISC)
[debian-lts-announce] 20210330 [SECURITY] [DLA 2610-1] linux-4.19 security update (MLIST)
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html (MISC)
https://security.netapp.com/advisory/ntap-20210409-0001/ (CONFIRM)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
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