Vulnerability-Lookup

SUSE-SU-2022:0544-1

Vulnerability from csaf_suse - Published: 2022-02-21 12:51 - Updated: 2022-02-21 12:51

Summary

Security update for the Linux RT Kernel

Severity

Critical

Notes

Title of the patch: Security update for the Linux RT Kernel

Description of the patch: The SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195254). - CVE-2021-45095: Fixed refcount leak in pep_sock_accept in net/phonet/pep.c (bnc#1193867). - CVE-2022-22942: Fixed stale file descriptors on failed usercopy (bsc#1195065). - CVE-2021-22600: Fixed double free bug in packet_set_ring() in net/packet/af_packet.c that could have been exploited by a local user through crafted syscalls to escalate privileges or deny service (bnc#1195184). - CVE-2021-39657: Fixed out of bounds read due to a missing bounds check in ufshcd_eh_device_reset_handler of ufshcd.c. This could lead to local information disclosure with System execution privileges needed (bnc#1193864). - CVE-2021-39648: Fixed possible disclosure of kernel heap memory due to a race condition in gadget_dev_desc_UDC_show of configfs.c. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1193861). - CVE-2022-0330: Fixed flush TLBs before releasing backing store (bsc#1194880). The following non-security bugs were fixed: - bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds() (bsc#1194227). - btrfs: tree-checker: Add EXTENT_ITEM and METADATA_ITEM check (bsc#1195009). - btrfs: tree-checker: annotate all error branches as unlikely (bsc#1195009). - btrfs: tree-checker: check for BTRFS_BLOCK_FLAG_FULL_BACKREF being set improperly (bsc#1195009). - hv_netvsc: Set needed_headroom according to VF (bsc#1193506). - net, xdp: Introduce xdp_init_buff utility routine (bsc#1193506). - net, xdp: Introduce xdp_prepare_buff utility routine (bsc#1193506). - net: allow retransmitting a TCP packet if original is still in queue (bsc#1188605 bsc#1187428). - net: mana: Add RX fencing (bsc#1193506). - net: mana: Add XDP support (bsc#1193506). - net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc (bsc#1183405). - net: sched: add barrier to ensure correct ordering for lockless qdisc (bsc#1183405). - net: sched: avoid unnecessary seqcount operation for lockless qdisc (bsc#1183405). - net: sched: fix packet stuck problem for lockless qdisc (bsc#1183405). - net: sched: fix tx action reschedule issue with stopped queue (bsc#1183405). - net: sched: fix tx action rescheduling issue during deactivation (bsc#1183405). - net: sched: replaced invalid qdisc tree flush helper in qdisc_replace (bsc#1183405). - net_sched: avoid resetting active qdisc for multiple times (bsc#1183405). - net_sched: get rid of unnecessary dev_qdisc_reset() (bsc#1183405). - net_sched: use qdisc_reset() in qdisc_destroy() (bsc#1183405). - nvme: add 'iopolicy' module parameter (bsc#1177599 bsc#1193096). - xfrm: fix MTU regression (bsc#1185377, bsc#1194048).

Patchnames: SUSE-2022-544,SUSE-SLE-Module-RT-15-SP2-2022-544,SUSE-SUSE-MicroOS-5.0-2022-544

CVE-2021-22600

8.4 (High)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Recommended 12 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Micro 5.0:kernel-rt-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:cluster-md-kmp-rt-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:dlm-kmp-rt-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:gfs2-kmp-rt-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:kernel-devel-rt-5.3.18-73.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:kernel-rt-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:kernel-rt-devel-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:kernel-rt_debug-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:kernel-rt_debug-devel-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:kernel-source-rt-5.3.18-73.1.noarch	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:kernel-syms-rt-5.3.18-73.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Real Time Module 15 SP2:ocfs2-kmp-rt-5.3.18-73.1.x86_64	—	Vendor Fix

Threats

Impact important

CVE-2021-39648

4.4 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected products

Recommended 12 products, the same list as for CVE-2021-22600

Threats

Impact moderate

CVE-2021-39657

3.3 (Low)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected products

Recommended 12 products, the same list as for CVE-2021-22600

Threats

Impact low

CVE-2021-45095

4.3 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

Recommended 12 products, the same list as for CVE-2021-22600

Threats

Impact moderate

CVE-2022-0330

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Recommended 12 products, the same list as for CVE-2021-22600

Threats

Impact important

CVE-2022-22942

7 (High)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Recommended 12 products, the same list as for CVE-2021-22600

Threats

Impact important

References

42 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1177599	self
https://bugzilla.suse.com/1183405	self
https://bugzilla.suse.com/1185377	self
https://bugzilla.suse.com/1187428	self
https://bugzilla.suse.com/1188605	self
https://bugzilla.suse.com/1193096	self
https://bugzilla.suse.com/1193506	self
https://bugzilla.suse.com/1193861	self
https://bugzilla.suse.com/1193864	self
https://bugzilla.suse.com/1193867	self
https://bugzilla.suse.com/1194048	self
https://bugzilla.suse.com/1194227	self
https://bugzilla.suse.com/1194880	self
https://bugzilla.suse.com/1195009	self
https://bugzilla.suse.com/1195065	self
https://bugzilla.suse.com/1195184	self
https://bugzilla.suse.com/1195254	self
https://www.suse.com/security/cve/CVE-2021-22600/	self
https://www.suse.com/security/cve/CVE-2021-39648/	self
https://www.suse.com/security/cve/CVE-2021-39657/	self
https://www.suse.com/security/cve/CVE-2021-45095/	self
https://www.suse.com/security/cve/CVE-2022-0330/	self
https://www.suse.com/security/cve/CVE-2022-22942/	self
https://www.suse.com/security/cve/CVE-2021-22600	external
https://bugzilla.suse.com/1195184	external
https://bugzilla.suse.com/1195307	external
https://www.suse.com/security/cve/CVE-2021-39648	external
https://bugzilla.suse.com/1193861	external
https://www.suse.com/security/cve/CVE-2021-39657	external
https://bugzilla.suse.com/1193864	external
https://www.suse.com/security/cve/CVE-2021-45095	external
https://bugzilla.suse.com/1193867	external
https://www.suse.com/security/cve/CVE-2022-0330	external
https://bugzilla.suse.com/1194880	external
https://bugzilla.suse.com/1195950	external
https://www.suse.com/security/cve/CVE-2022-22942	external
https://bugzilla.suse.com/1195065	external
https://bugzilla.suse.com/1195951	external

JSON

To clipboard

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        "text": "\nThe SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various security and bugfixes.\n\n\nThe following security bugs were fixed:\n\n- CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195254).\n- CVE-2021-45095: Fixed refcount leak in pep_sock_accept in net/phonet/pep.c (bnc#1193867).\n- CVE-2022-22942: Fixed stale file descriptors on failed usercopy (bsc#1195065).\n- CVE-2021-22600: Fixed double free bug in packet_set_ring() in net/packet/af_packet.c that could have been exploited by a local user through crafted syscalls to escalate privileges or deny service (bnc#1195184).\n- CVE-2021-39657: Fixed out of bounds read due to a missing bounds check in ufshcd_eh_device_reset_handler of ufshcd.c. This could lead to local information disclosure with System execution privileges needed (bnc#1193864).\n- CVE-2021-39648: Fixed possible disclosure of kernel heap memory due to a race condition in gadget_dev_desc_UDC_show of configfs.c. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation (bnc#1193861).\n- CVE-2022-0330: Fixed flush TLBs before releasing backing store (bsc#1194880).\n\n\nThe following non-security bugs were fixed:\n\n- bpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds() (bsc#1194227).\n- btrfs: tree-checker: Add EXTENT_ITEM and METADATA_ITEM check (bsc#1195009).\n- btrfs: tree-checker: annotate all error branches as unlikely (bsc#1195009).\n- btrfs: tree-checker: check for BTRFS_BLOCK_FLAG_FULL_BACKREF being set improperly (bsc#1195009).\n- hv_netvsc: Set needed_headroom according to VF (bsc#1193506).\n- net, xdp: Introduce xdp_init_buff utility routine (bsc#1193506).\n- net, xdp: Introduce xdp_prepare_buff utility routine (bsc#1193506).\n- net: allow retransmitting a TCP packet if original is still in queue (bsc#1188605 bsc#1187428).\n- net: mana: Add RX fencing (bsc#1193506).\n- net: mana: Add XDP support (bsc#1193506).\n- net: sch_generic: aviod concurrent reset and enqueue op for lockless qdisc (bsc#1183405).\n- net: sched: add barrier to ensure correct ordering for lockless qdisc (bsc#1183405).\n- net: sched: avoid unnecessary seqcount operation for lockless qdisc (bsc#1183405).\n- net: sched: fix packet stuck problem for lockless qdisc (bsc#1183405).\n- net: sched: fix tx action reschedule issue with stopped queue (bsc#1183405).\n- net: sched: fix tx action rescheduling issue during deactivation (bsc#1183405).\n- net: sched: replaced invalid qdisc tree flush helper in qdisc_replace (bsc#1183405).\n- net_sched: avoid resetting active qdisc for multiple times (bsc#1183405).\n- net_sched: get rid of unnecessary dev_qdisc_reset() (bsc#1183405).\n- net_sched: use qdisc_reset() in qdisc_destroy() (bsc#1183405).\n- nvme: add \u0027iopolicy\u0027 module parameter (bsc#1177599 bsc#1193096).\n- xfrm: fix MTU regression (bsc#1185377, bsc#1194048).\n",
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}

CVE-2021-22600 (GCVE-0-2021-22600)

Vulnerability from cvelistv5 – Published: 2022-01-26 00:00 – Updated: 2025-10-21 23:15

Title

Double Free in net/packet/af_packet.c leading to priviledge escalation

Summary

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755

Severity

6.6 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:H

SSVC

Exploitation: active Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-01-29 20:47 UTC

CWE

CWE-415 - Double Free

Assigner

Google Google root

References

5 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t…
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://www.debian.org/security/2022/dsa-5096	vendor-advisory
https://security.netapp.com/advisory/ntap-2023011…
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

1 product

Vendor	Product	Version
Linux Kernel	Kernel	Affected: unspecified , < 5.4.168 (custom) Affected: unspecified , < 5.10.88 (custom) Affected: unspecified , < 5.15.11 (custom) Affected: unspecified , < 5.16-rc6 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2021-39648 (GCVE-0-2021-39648)

Vulnerability from cvelistv5 – Published: 2021-12-15 18:05 – Updated: 2024-08-04 02:13

Summary

In gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-160822094References: Upstream kernel

Severity

No CVSS data available.

CWE

Information disclosure

Assigner

google_android Google root

References

1 reference

URL	Tags
https://source.android.com/security/bulletin/pixe…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Android	Affected: Android kernel

Show details on NVD website

JSON

To clipboard

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CVE-2021-39657 (GCVE-0-2021-39657)

Vulnerability from cvelistv5 – Published: 2021-12-15 18:06 – Updated: 2024-08-04 02:13

Summary

In ufshcd_eh_device_reset_handler of ufshcd.c, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-194696049References: Upstream kernel

Severity

No CVSS data available.

CWE

Information disclosure

Assigner

google_android Google root

References

1 reference

URL	Tags
https://source.android.com/security/bulletin/pixe…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Android	Affected: Android kernel

Show details on NVD website

JSON

To clipboard

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CVE-2021-45095 (GCVE-0-2021-45095)

Vulnerability from cvelistv5 – Published: 2021-12-16 03:37 – Updated: 2024-08-04 04:32

Summary

pep_sock_accept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

6 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/n…	x_refsource_MISC
https://github.com/torvalds/linux/commit/bcd0f933…	x_refsource_MISC
https://www.debian.org/security/2022/dsa-5050	vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
https://www.debian.org/security/2022/dsa-5096	vendor-advisoryx_refsource_DEBIAN

Show details on NVD website

JSON

To clipboard

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CVE-2022-0330 (GCVE-0-2022-0330)

Vulnerability from cvelistv5 – Published: 2022-03-25 00:00 – Updated: 2024-08-02 23:25

Summary

A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw allows a local user to crash the system or escalate their privileges on the system.

Severity

No CVSS data available.

CWE

CWE-281

Assigner

redhat redhat root

References

4 references

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2042404
https://www.openwall.com/lists/oss-security/2022/…
https://security.netapp.com/advisory/ntap-2022052…
http://www.openwall.com/lists/oss-security/2022/11/30/1	mailing-list

Impacted products

1 product

Vendor	Product	Version
n/a	kernel	Affected: kernel 5.17-rc2

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CVE-2022-22942 (GCVE-0-2022-22942)

Vulnerability from cvelistv5 – Published: 2023-12-13 08:16 – Updated: 2024-08-03 03:28

Summary

The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling 'file' pointer.

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

Privilege escalation

Assigner

vmware mitre root

References

3 references

URL	Tags
https://github.com/vmware/photon/wiki/Security-Up…
https://github.com/vmware/photon/wiki/Security-Up…
https://www.openwall.com/lists/oss-security/2022/…

Impacted products

1 product

Vendor	Product	Version
n/a	Photon OS	Affected: 3.0, 4.0

Date Public

2022-01-27 07:06

Show details on NVD website

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

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CVE-2021-39657 (GCVE-0-2021-39657)

CVE-2021-45095 (GCVE-0-2021-45095)

CVE-2022-0330 (GCVE-0-2022-0330)

CVE-2022-22942 (GCVE-0-2022-22942)

Tags

Sightings

Nomenclature

Related by attack behaviour