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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:237199
[Eng]
Version
1
Class
patch
ALTXid
465164
Language
Russian
Severity
High
Title
Обновление USN-6446-3 -- уязвимости Linux kernel (Oracle)
Description
Ross Lagerwall discovered that the Xen netback backend driver in the Linux
kernel did not properly handle certain unusual packets from a
paravirtualized network frontend, leading to a buffer overflow. An attacker
in a guest VM could use this to cause a denial of service (host system
crash) or possibly execute arbitrary code. (CVE-2023-34319)
Family
unix
Platform
Linux Mint 20.x
Ubuntu 20.04
Product
linux-oracle-5.15
Reference
VENDOR: USN-6446-3
VENDOR: USN-6446-3
Id:
USN-6446-3
Reference:
https://ubuntu.com/security/notices/USN-6446-3
CVE: CVE-2023-34319
CVE: CVE-2023-34319
Id:
CVE-2023-34319
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-34319
Comment
: The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would come in one piece. Unfortunately the logic introduced there didn't account for the extreme case of the entire packet being split into as many pieces as permitted by the protocol, yet still being smaller than the area that's specially dealt with to keep all (possible) headers together. Such an unusual packet would therefore trigger a buffer overrun in the driver.
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://xenbits.xenproject.org/xsa/advisory-432.html (MISC)
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
https://security.netapp.com/advisory/ntap-20240202-0001/ ()
CVE: CVE-2023-4244
CVE: CVE-2023-4244
Id:
CVE-2023-4244
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4244
Comment
: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Due to a race condition between nf_tables netlink control plane transaction and nft_set element garbage collection, it is possible to underflow the reference counter causing a use-after-free vulnerability. We recommend upgrading past commit 3e91b0ebd994635df2346353322ac51ce84ce6d8.
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:
416 (Use After Free)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e91b0ebd994635df2346353322ac51ce84ce6d8 (MISC)
https://kernel.dance/3e91b0ebd994635df2346353322ac51ce84ce6d8 (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
CVE: CVE-2023-42752
CVE: CVE-2023-42752
Id:
CVE-2023-42752
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-42752
Comment
: An integer overflow flaw was found in the Linux kernel. This issue leads to the kernel allocating `skb_shared_info` in the userspace, which is exploitable in systems without SMAP protection since `skb_shared_info` contains references to function pointers.
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:
190 (Integer Overflow or Wraparound)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=915d975b2ffa (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=2239828 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c3b704d4a4a2 (MISC)
https://access.redhat.com/security/cve/CVE-2023-42752 (MISC)
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ()
CVE: CVE-2023-42753
CVE: CVE-2023-42753
Id:
CVE-2023-42753
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-42753
Comment
: An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.
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://access.redhat.com/security/cve/CVE-2023-42753 (MISC)
https://www.openwall.com/lists/oss-security/2023/09/22/10 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=2239843 (MISC)
https://seclists.org/oss-sec/2023/q3/216 (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
RHSA-2023:7379 ()
RHSA-2023:7370 ()
RHSA-2023:7382 ()
RHSA-2023:7389 ()
RHSA-2023:7411 ()
RHSA-2023:7418 ()
RHSA-2023:7539 ()
RHSA-2023:7558 ()
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ()
RHSA-2024:0089 ()
RHSA-2024:0113 ()
RHSA-2024:0134 ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
RHSA-2024:0340 ()
RHSA-2024:0346 ()
RHSA-2024:0347 ()
RHSA-2024:0371 ()
RHSA-2024:0376 ()
RHSA-2024:0378 ()
RHSA-2024:0402 ()
RHSA-2024:0403 ()
RHSA-2024:0412 ()
RHSA-2024:0461 ()
RHSA-2024:0562 ()
RHSA-2024:0563 ()
RHSA-2024:0593 ()
RHSA-2024:0999 ()
CVE: CVE-2023-42755
CVE: CVE-2023-42755
Id:
CVE-2023-42755
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-42755
Comment
: A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel. The xprt pointer may go beyond the linear part of the skb, leading to an out-of-bounds read in the `rsvp_classify` function. This issue may allow a local user to crash the system and cause a denial of service.
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://access.redhat.com/security/cve/CVE-2023-42755 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=2239847 (MISC)
https://seclists.org/oss-sec/2023/q3/229 (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
CVE: CVE-2023-42756
CVE: CVE-2023-42756
Id:
CVE-2023-42756
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-42756
Comment
: A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.
CVSSv3 Score:
4.7
Attack vector:
LOCAL
Attack complexity:
HIGH
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:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://access.redhat.com/security/cve/CVE-2023-42756 (MISC)
https://seclists.org/oss-sec/2023/q3/242 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=2239848 (MISC)
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V5PDNWPKAP3WL5RQZ4RIDS6MG32OHH5R/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GISYSL3F6WIEVGHJGLC2MFNTUXHPTKQH/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GPMICQ2HVZO5UAM5KPXHAZKA2U3ZDOO6/ (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
RHSA-2024:2394 ()
CVE: CVE-2023-4622
CVE: CVE-2023-4622
Id:
CVE-2023-4622
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4622
Comment
: A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation. The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free. We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c.
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:
416 (Use After Free)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.1.y&id=790c2f9d15b594350ae9bca7b236f2b1859de02c (MISC)
https://kernel.dance/790c2f9d15b594350ae9bca7b236f2b1859de02c (MISC)
https://www.debian.org/security/2023/dsa-5492 (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
CVE: CVE-2023-4623
CVE: CVE-2023-4623
Id:
CVE-2023-4623
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4623
Comment
: A use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component can be exploited to achieve local privilege escalation. If a class with a link-sharing curve (i.e. with the HFSC_FSC flag set) has a parent without a link-sharing curve, then init_vf() will call vttree_insert() on the parent, but vttree_remove() will be skipped in update_vf(). This leaves a dangling pointer that can cause a use-after-free. We recommend upgrading past commit b3d26c5702c7d6c45456326e56d2ccf3f103e60f.
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://kernel.dance/b3d26c5702c7d6c45456326e56d2ccf3f103e60f (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b3d26c5702c7d6c45456326e56d2ccf3f103e60f (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
CVE: CVE-2023-4881
CVE: CVE-2023-4881
Id:
CVE-2023-4881
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4881
Comment
: Rejected reason: CVE-2023-4881 was wrongly assigned to a bug that was deemed to be a non-security issue by the Linux kernel security team.
References:
CVE: CVE-2023-4921
CVE: CVE-2023-4921
Id:
CVE-2023-4921
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4921
Comment
: A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation. When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue(). We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
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=8fc134fee27f2263988ae38920bc03da416b03d8 (MISC)
https://kernel.dance/8fc134fee27f2263988ae38920bc03da416b03d8 (MISC)
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html (MISC)
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html ()
CVE: CVE-2023-5197
CVE: CVE-2023-5197
Id:
CVE-2023-5197
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5197
Comment
: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free. We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.
CVSSv3 Score:
6.6
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
CWE:
416 (Use After Free)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325 (MISC)
https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325 (MISC)
http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html ()
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html ()
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