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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:218903
[Rus]
Version
1
Class
patch
ALTXid
442595
Language
English
Severity
High
Title
ALAS-2023-1773 -- security update for kernel
Description
A use-after-free flaw was found in nf_tables cross-table in the net/netfilter/nf_tables_api.c function in the Linux kernel.
Family
unix
Platform
Amazon Linux AMI
Product
kernel
Reference
VENDOR: ALAS-2023-1773
VENDOR: ALAS-2023-1773
Id:
ALAS-2023-1773
Reference:
https://alas.aws.amazon.com/ALAS-2023-1773.html
CVE: CVE-2022-2586
CVE: CVE-2022-2586
Id:
CVE-2022-2586
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586
Comment
: It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
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://ubuntu.com/security/notices/USN-5564-1 ()
https://ubuntu.com/security/notices/USN-5560-2 ()
https://ubuntu.com/security/notices/USN-5582-1 ()
https://ubuntu.com/security/notices/USN-5567-1 ()
https://ubuntu.com/security/notices/USN-5560-1 ()
https://ubuntu.com/security/notices/USN-5566-1 ()
https://www.openwall.com/lists/oss-security/2022/08/09/5 ()
https://ubuntu.com/security/notices/USN-5565-1 ()
https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ ()
https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t ()
https://ubuntu.com/security/notices/USN-5562-1 ()
https://ubuntu.com/security/notices/USN-5557-1 ()
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 ()
CVE: CVE-2022-34918
CVE: CVE-2022-34918
Id:
CVE-2022-34918
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34918
Comment
: An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c.
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:
843 (Access of Resource Using Incompatible Type ('Type Confusion'))
References:
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=7e6bc1f6cabcd30aba0b11219d8e01b952eacbb6 (MISC)
https://www.openwall.com/lists/oss-security/2022/07/02/3 (MISC)
[oss-security] 20220705 Re: Linux kernel: Netfilter heap buffer overflow in nft_set_elem_init (MLIST)
https://www.randorisec.fr/crack-linux-firewall/ (MISC)
DSA-5191 (DEBIAN)
[oss-security] 20220806 Re: Linux kernel: Netfilter heap buffer overflow in nft_set_elem_init (MLIST)
https://security.netapp.com/advisory/ntap-20220826-0004/ (CONFIRM)
http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html (MISC)
http://packetstormsecurity.com/files/168543/Netfilter-nft_set_elem_init-Heap-Overflow-Privilege-Escalation.html (MISC)
https://lore.kernel.org/netfilter-devel/cd9428b6-7ffb-dd22-d949-d86f4869f452%40randorisec.fr/T/#u ()
CVE: CVE-2023-2269
CVE: CVE-2023-2269
Id:
CVE-2023-2269
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2269
Comment
: A denial of service problem was found, due to a possible recursive locking scenario, resulting in a deadlock in table_clear in drivers/md/dm-ioctl.c in the Linux Kernel Device Mapper-Multipathing sub-component.
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE:
667 (Improper Locking)
References:
DSA-5448 (DEBIAN)
[debian-lts-announce] 20230727 [SECURITY] [DLA 3508-1] linux security update (MLIST)
DSA-5480 (DEBIAN)
https://security.netapp.com/advisory/ntap-20230929-0004/ (CONFIRM)
[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update (MLIST)
https://lore.kernel.org/lkml/ZD1xyZxb3rHot8PV%40redhat.com/t/ ()
FEDORA-2023-00393126a0 ()
FEDORA-2023-26325e5399 ()
FEDORA-2023-dfd4a6e8f2 ()
CVE: CVE-2023-28466
CVE: CVE-2023-28466
Id:
CVE-2023-28466
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28466
Comment
: do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).
CVSSv3 Score:
7
Attack vector:
LOCAL
Attack complexity:
HIGH
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:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
476 (NULL Pointer Dereference)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=49c47cc21b5b7a3d8deb18fc57b0aa2ab1286962 (MISC)
https://security.netapp.com/advisory/ntap-20230427-0006/ (CONFIRM)
[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update (MLIST)
CVE: CVE-2023-3111
CVE: CVE-2023-3111
Id:
CVE-2023-3111
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3111
Comment
: A use after free vulnerability was found in prepare_to_relocate in fs/btrfs/relocation.c in btrfs in the Linux Kernel. This possible flaw can be triggered by calling btrfs_ioctl_balance() before calling btrfs_ioctl_defrag().
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://security.netapp.com/advisory/ntap-20230703-0007/ (CONFIRM)
[debian-lts-announce] 20230727 [SECURITY] [DLA 3508-1] linux security update (MLIST)
DSA-5480 (DEBIAN)
[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update (MLIST)
https://patchwork.kernel.org/project/linux-btrfs/patch/20220721074829.2905233-1-r33s3n6%40gmail.com/ ()
CVE: CVE-2023-34256
CVE: CVE-2023-34256
Id:
CVE-2023-34256
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34256
Comment
: An issue was discovered in the Linux kernel before 6.3.3. There is an out-of-bounds read in crc16 in lib/crc16.c when called from fs/ext4/super.c because ext4_group_desc_csum does not properly check an offset. NOTE: this is disputed by third parties because the kernel is not intended to defend against attackers with the stated "When modifying the block device while it is mounted by the filesystem" access.
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:
125 (Out-of-bounds Read)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f04351888a83e595571de672e0a4a8b74f4fb31 (MISC)
https://syzkaller.appspot.com/bug?extid=8785e41224a3afd04321 (MISC)
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.3 (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1211895 (MISC)
[debian-lts-announce] 20230727 [SECURITY] [DLA 3508-1] linux security update (MLIST)
[debian-lts-announce] 20231019 [SECURITY] [DLA 3623-1] linux-5.10 security update (MLIST)
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