Vulnerability-Lookup

SUSE-SU-2019:0740-1

Vulnerability from csaf_suse - Published: 2019-03-26 13:34 - Updated: 2019-03-26 13:34

Summary

Security update for the Linux Kernel (Live Patch 1 for SLE 15)

Severity

Important

Notes

Title of the patch: Security update for the Linux Kernel (Live Patch 1 for SLE 15)

Description of the patch: This update for the Linux Kernel 4.12.14-25_3 fixes several issues. The following security issues were fixed: - CVE-2019-9213: Expand_downwards in mm/mmap.c lacked a check for the mmap minimum address, which made it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task (bsc#1128378). - CVE-2019-8912: af_alg_release() in crypto/af_alg.c neglected to set a NULL value for a certain structure member, which could have led to a use-after-free in sockfs_setattr (bsc#1126284). - CVE-2018-12232: In net/socket.c there was a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat did not increment the file descriptor reference count, which allowed close to set the socket to NULL during fchownat's execution, leading to a NULL pointer dereference and system crash (bsc#1127757). - CVE-2019-7221: Fixed a user-after-free vulnerability in the KVM hypervisor related to the emulation of a preemption timer, allowing an guest user/process to crash the host kernel. (bsc#1124734). - CVE-2019-6974: kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandled reference counting because of a race condition, leading to a use-after-free (bsc#1124729).

Patchnames: SUSE-2019-740,SUSE-SLE-Module-Live-Patching-15-2019-740,SUSE-SLE-Module-Live-Patching-15-2019-746

CVE-2018-12232

5.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Recommended 4 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-23-default-9-25.2.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-23-default-9-25.2.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_3-default-8-2.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_3-default-8-2.1.x86_64	—	Vendor Fix

Threats

Impact important

CVE-2019-6974

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Recommended 4 products, the same list as for CVE-2018-12232

Threats

Impact moderate

CVE-2019-7221

7.5 (High)


                
                  CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Recommended 4 products, the same list as for CVE-2018-12232

Threats

Impact moderate

CVE-2019-8912

7.8 (High)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Recommended 4 products, the same list as for CVE-2018-12232

Threats

Impact moderate

CVE-2019-9213

5.5 (Medium)


                
                  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Recommended 4 products, the same list as for CVE-2018-12232

Threats

Impact moderate

References

32 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/1124729	self
https://bugzilla.suse.com/1124734	self
https://bugzilla.suse.com/1126284	self
https://bugzilla.suse.com/1127757	self
https://bugzilla.suse.com/1128378	self
https://www.suse.com/security/cve/CVE-2018-12232/	self
https://www.suse.com/security/cve/CVE-2019-6974/	self
https://www.suse.com/security/cve/CVE-2019-7221/	self
https://www.suse.com/security/cve/CVE-2019-8912/	self
https://www.suse.com/security/cve/CVE-2019-9213/	self
https://www.suse.com/security/cve/CVE-2018-12232	external
https://bugzilla.suse.com/1087082	external
https://bugzilla.suse.com/1097593	external
https://bugzilla.suse.com/1125907	external
https://bugzilla.suse.com/1127757	external
https://www.suse.com/security/cve/CVE-2019-6974	external
https://bugzilla.suse.com/1124728	external
https://bugzilla.suse.com/1124729	external
https://www.suse.com/security/cve/CVE-2019-7221	external
https://bugzilla.suse.com/1124732	external
https://bugzilla.suse.com/1124734	external
https://www.suse.com/security/cve/CVE-2019-8912	external
https://bugzilla.suse.com/1125907	external
https://bugzilla.suse.com/1126284	external
https://www.suse.com/security/cve/CVE-2019-9213	external
https://bugzilla.suse.com/1128166	external
https://bugzilla.suse.com/1128378	external
https://bugzilla.suse.com/1129016	external

JSON

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          "text": "In net/socket.c in the Linux kernel through 4.17.1, there is a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat does not increment the file descriptor reference count, which allows close to set the socket to NULL during fchownat\u0027s execution, leading to a NULL pointer dereference and system crash.",
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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          "category": "general",
          "text": "In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.",
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}

CVE-2018-12232 (GCVE-0-2018-12232)

Vulnerability from cvelistv5 – Published: 2018-06-12 12:00 – Updated: 2024-08-05 08:30

Summary

In net/socket.c in the Linux kernel through 4.17.1, there is a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat does not increment the file descriptor reference count, which allows close to set the socket to NULL during fchownat's execution, leading to a NULL pointer dereference and system crash.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
https://usn.ubuntu.com/3752-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3752-3/	vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_MISC
https://patchwork.ozlabs.org/patch/926519/	x_refsource_MISC
https://access.redhat.com/errata/RHSA-2018:2948	vendor-advisoryx_refsource_REDHAT
https://lkml.org/lkml/2018/6/5/14	x_refsource_MISC
http://www.securityfocus.com/bid/104453	vdb-entryx_refsource_BID
https://usn.ubuntu.com/3752-1/	vendor-advisoryx_refsource_UBUNTU
https://github.com/torvalds/linux/commit/6d8c50dc…	x_refsource_MISC

Date Public

2018-06-12 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2019-6974 (GCVE-0-2019-6974)

Vulnerability from cvelistv5 – Published: 2019-02-15 15:00 – Updated: 2024-08-04 20:38

Summary

In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

28 references

URL	Tags
https://bugs.chromium.org/p/project-zero/issues/d…	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
https://www.exploit-db.com/exploits/46388/	exploitx_refsource_EXPLOIT-DB
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
https://github.com/torvalds/linux/commit/cfa39381…	x_refsource_MISC
http://www.securityfocus.com/bid/107127	vdb-entryx_refsource_BID
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3932-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3932-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3930-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3931-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3933-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3931-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3930-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3933-1/	vendor-advisoryx_refsource_UBUNTU
https://support.f5.com/csp/article/K11186236	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:0833	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0818	vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHBA-2019:0959	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:2809	vendor-advisoryx_refsource_REDHAT
https://support.f5.com/csp/article/K11186236?utm_…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:3967	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2020:0103	vendor-advisoryx_refsource_REDHAT

Date Public

2019-02-15 00:00

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    "dateReserved": "2019-01-26T00:00:00.000Z",
    "dateUpdated": "2024-08-04T20:38:32.373Z",
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CVE-2019-7221 (GCVE-0-2019-7221)

Vulnerability from cvelistv5 – Published: 2019-03-17 18:26 – Updated: 2024-08-04 20:46

Summary

The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

24 references

URL	Tags
http://packetstormsecurity.com/files/151713/KVM-V…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://github.com/torvalds/linux/commits/master/…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2019/02/18/2	x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_CONFIRM
https://bugs.chromium.org/p/project-zero/issues/d…	x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3932-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3932-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3930-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3931-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3931-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3930-2/	vendor-advisoryx_refsource_UBUNTU
https://security.netapp.com/advisory/ntap-2019040…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:0833	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:0818	vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHBA-2019:0959	vendor-advisoryx_refsource_REDHAT
https://support.f5.com/csp/article/K08413011	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2019:3967	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:4058	vendor-advisoryx_refsource_REDHAT

Date Public

2019-01-29 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2019-8912 (GCVE-0-2019-8912)

Vulnerability from cvelistv5 – Published: 2019-02-18 18:00 – Updated: 2024-08-04 21:31

Summary

In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

8 references

URL	Tags
http://www.securityfocus.com/bid/107063	vdb-entryx_refsource_BID
http://patchwork.ozlabs.org/patch/1042902/	x_refsource_MISC
https://usn.ubuntu.com/3930-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3931-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3931-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3930-2/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2020:0174	vendor-advisoryx_refsource_REDHAT

Date Public

2019-02-18 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2019-9213 (GCVE-0-2019-9213)

Vulnerability from cvelistv5 – Published: 2019-03-05 22:00 – Updated: 2024-08-04 21:38

Summary

In the Linux kernel before 4.20.14, expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which makes it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

26 references

URL	Tags
https://www.exploit-db.com/exploits/46502/	exploitx_refsource_EXPLOIT-DB
http://git.kernel.org/cgit/linux/kernel/git/torva…	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
https://github.com/torvalds/linux/commit/0a1d5299…	x_refsource_MISC
http://www.securityfocus.com/bid/107296	vdb-entryx_refsource_BID
https://bugs.chromium.org/p/project-zero/issues/d…	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v4.x/Chan…	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2019…	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/3932-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3932-2/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/3930-1/	vendor-advisoryx_refsource_UBUNTU
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https://usn.ubuntu.com/3933-1/	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://access.redhat.com/errata/RHSA-2019:0831	vendor-advisoryx_refsource_REDHAT
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https://access.redhat.com/errata/RHSA-2019:1480	vendor-advisoryx_refsource_REDHAT
http://packetstormsecurity.com/files/156053/Relia…	x_refsource_MISC

Date Public

2019-03-05 00:00

Show details on NVD website

JSON

To clipboard

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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

SUSE-SU-2019:0740-1

CVE-2018-12232 (GCVE-0-2018-12232)

CVE-2019-6974 (GCVE-0-2019-6974)

CVE-2019-7221 (GCVE-0-2019-7221)

CVE-2019-8912 (GCVE-0-2019-8912)

CVE-2019-9213 (GCVE-0-2019-9213)

Tags

Sightings

Nomenclature

Related by attack behaviour