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12 vulnerabilities found for kernel: by [UNKNOWN]
CVE-2018-16884 (GCVE-0-2018-16884)
Vulnerability from nvd – Published: 2018-12-18 22:00 – Updated: 2024-08-05 10:32
VLAI
Summary
A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
Severity
6.5 (Medium)
CWE
Assigner
References
22 references
Date Public
2018-12-18 00:00
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CVE-2018-16862 (GCVE-0-2018-16862)
Vulnerability from nvd – Published: 2018-11-26 19:00 – Updated: 2024-08-05 10:32
VLAI
Summary
A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.
Severity
5.3 (Medium)
CWE
Assigner
References
11 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/106009 | vdb-entryx_refsource_BID |
| https://usn.ubuntu.com/3879-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://seclists.org/oss-sec/2018/q4/169 | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/3879-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lore.kernel.org/patchwork/patch/1011367/ | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | 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://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/4094-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4118-1/ | vendor-advisoryx_refsource_UBUNTU |
Date Public
2018-11-23 00:00
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CVE-2018-14646 (GCVE-0-2018-14646)
Vulnerability from nvd – Published: 2018-11-26 19:00 – Updated: 2024-08-05 09:38
VLAI
Summary
The Linux kernel before 4.15-rc8 was found to be vulnerable to a NULL pointer dereference bug in the __netlink_ns_capable() function in the net/netlink/af_netlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service.
Severity
5.5 (Medium)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:3843 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:3666 | vendor-advisoryx_refsource_REDHAT |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:3651 | vendor-advisoryx_refsource_REDHAT |
| https://marc.info/?l=linux-netdev&m=151500466401174&w=2 | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
Date Public
2018-11-26 00:00
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CVE-2017-7518 (GCVE-0-2017-7518)
Vulnerability from nvd – Published: 2018-07-30 13:00 – Updated: 2024-08-05 16:04
VLAI
Summary
A flaw was found in the Linux kernel before version 4.12 in the way the KVM module processed the trap flag(TF) bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exception(#DB) being raised in the guest stack. A user/process inside a guest could use this flaw to potentially escalate their privileges inside the guest. Linux guests are not affected by this.
Severity
5.5 (Medium)
CWE
Assigner
References
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| https://usn.ubuntu.com/3754-1/ | vendor-advisoryx_refsource_UBUNTU |
| http://www.securitytracker.com/id/1038782 | vdb-entryx_refsource_SECTRACK |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2017/06/23/5 | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/3619-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://www.debian.org/security/2017/dsa-3981 | vendor-advisoryx_refsource_DEBIAN |
| https://www.spinics.net/lists/kvm/msg151817.html | mailing-listx_refsource_MLIST |
| http://www.securityfocus.com/bid/99263 | vdb-entryx_refsource_BID |
Date Public
2017-06-22 00:00
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CVE-2017-7482 (GCVE-0-2017-7482)
Vulnerability from nvd – Published: 2018-07-30 14:00 – Updated: 2024-08-05 16:04
VLAI
Summary
In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.
Severity
7.1 (High)
CWE
Assigner
References
8 references
| URL | Tags |
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| http://www.securityfocus.com/bid/99299 | vdb-entryx_refsource_BID |
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| https://www.debian.org/security/2017/dsa-3945 | vendor-advisoryx_refsource_DEBIAN |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://seclists.org/oss-sec/2017/q2/602 | mailing-listx_refsource_MLIST |
| https://access.redhat.com/errata/RHSA-2019:0641 | vendor-advisoryx_refsource_REDHAT |
Date Public
2017-04-27 00:00
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CVE-2018-10901 (GCVE-0-2018-10901)
Vulnerability from nvd – Published: 2018-07-26 17:00 – Updated: 2024-08-05 07:54
VLAI
Summary
A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges.
Severity
7.8 (High)
CWE
Assigner
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Date Public
2010-08-02 00:00
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CVE-2018-16884 (GCVE-0-2018-16884)
Vulnerability from cvelistv5 – Published: 2018-12-18 22:00 – Updated: 2024-08-05 10:32
VLAI
Summary
A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
Severity
6.5 (Medium)
CWE
Assigner
References
22 references
Date Public
2018-12-18 00:00
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CVE-2018-16862 (GCVE-0-2018-16862)
Vulnerability from cvelistv5 – Published: 2018-11-26 19:00 – Updated: 2024-08-05 10:32
VLAI
Summary
A security flaw was found in the Linux kernel in a way that the cleancache subsystem clears an inode after the final file truncation (removal). The new file created with the same inode may contain leftover pages from cleancache and the old file data instead of the new one.
Severity
5.3 (Medium)
CWE
Assigner
References
11 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/106009 | vdb-entryx_refsource_BID |
| https://usn.ubuntu.com/3879-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://seclists.org/oss-sec/2018/q4/169 | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/3879-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lore.kernel.org/patchwork/patch/1011367/ | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
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| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/4094-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4118-1/ | vendor-advisoryx_refsource_UBUNTU |
Date Public
2018-11-23 00:00
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CVE-2018-14646 (GCVE-0-2018-14646)
Vulnerability from cvelistv5 – Published: 2018-11-26 19:00 – Updated: 2024-08-05 09:38
VLAI
Summary
The Linux kernel before 4.15-rc8 was found to be vulnerable to a NULL pointer dereference bug in the __netlink_ns_capable() function in the net/netlink/af_netlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service.
Severity
5.5 (Medium)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:3843 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:3666 | vendor-advisoryx_refsource_REDHAT |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:3651 | vendor-advisoryx_refsource_REDHAT |
| https://marc.info/?l=linux-netdev&m=151500466401174&w=2 | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
Date Public
2018-11-26 00:00
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CVE-2017-7482 (GCVE-0-2017-7482)
Vulnerability from cvelistv5 – Published: 2018-07-30 14:00 – Updated: 2024-08-05 16:04
VLAI
Summary
In the Linux kernel before version 4.12, Kerberos 5 tickets decoded when using the RXRPC keys incorrectly assumes the size of a field. This could lead to the size-remaining variable wrapping and the data pointer going over the end of the buffer. This could possibly lead to memory corruption and possible privilege escalation.
Severity
7.1 (High)
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
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| http://www.securitytracker.com/id/1038787 | vdb-entryx_refsource_SECTRACK |
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| https://www.debian.org/security/2017/dsa-3945 | vendor-advisoryx_refsource_DEBIAN |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://seclists.org/oss-sec/2017/q2/602 | mailing-listx_refsource_MLIST |
| https://access.redhat.com/errata/RHSA-2019:0641 | vendor-advisoryx_refsource_REDHAT |
Date Public
2017-04-27 00:00
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CVE-2017-7518 (GCVE-0-2017-7518)
Vulnerability from cvelistv5 – Published: 2018-07-30 13:00 – Updated: 2024-08-05 16:04
VLAI
Summary
A flaw was found in the Linux kernel before version 4.12 in the way the KVM module processed the trap flag(TF) bit in EFLAGS during emulation of the syscall instruction, which leads to a debug exception(#DB) being raised in the guest stack. A user/process inside a guest could use this flaw to potentially escalate their privileges inside the guest. Linux guests are not affected by this.
Severity
5.5 (Medium)
CWE
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:0412 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/articles/3290921 | x_refsource_CONFIRM |
| https://usn.ubuntu.com/3619-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://access.redhat.com/errata/RHSA-2018:0395 | vendor-advisoryx_refsource_REDHAT |
| https://usn.ubuntu.com/3754-1/ | vendor-advisoryx_refsource_UBUNTU |
| http://www.securitytracker.com/id/1038782 | vdb-entryx_refsource_SECTRACK |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2017/06/23/5 | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/3619-1/ | vendor-advisoryx_refsource_UBUNTU |
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| https://www.spinics.net/lists/kvm/msg151817.html | mailing-listx_refsource_MLIST |
| http://www.securityfocus.com/bid/99263 | vdb-entryx_refsource_BID |
Date Public
2017-06-22 00:00
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CVE-2018-10901 (GCVE-0-2018-10901)
Vulnerability from cvelistv5 – Published: 2018-07-26 17:00 – Updated: 2024-08-05 07:54
VLAI
Summary
A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the GDT, particularly to the per-cpu variables. An attacker can use this to escalate their privileges.
Severity
7.8 (High)
CWE
Assigner
References
11 references
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|---|---|
| http://www.securityfocus.com/bid/104905 | vdb-entryx_refsource_BID |
| https://access.redhat.com/errata/RHSA-2018:2393 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:2390 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:2391 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:2392 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2018:2394 | vendor-advisoryx_refsource_REDHAT |
| https://www.oracle.com/security-alerts/cpujul2020.html | x_refsource_MISC |
| https://www.oracle.com/technetwork/security-advis… | x_refsource_MISC |
| https://help.ecostruxureit.com/display/public/UAD… | x_refsource_CONFIRM |
| https://git.kernel.org/pub/scm/linux/kernel/git/t… | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
Date Public
2010-08-02 00:00
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