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CVE-2018-10872· NVD / CVE Program· CNA redhat

A flaw was found in the way the Linux kernel handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions.

A flaw was found in the way the Linux kernel handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, processor does not deliver interrupts and exceptions, they are delivered once the first instruction after the stack switch is executed. An unprivileged system user could use this flaw to crash the system kernel resulting in DoS. This CVE-2018-10872 was assigned due to regression of CVE-2018-8897 in Red Hat Enterprise Linux 6.10 GA kernel. No other versions are affected by this CVE.

MediumCVSS 5.5 · v3.0—No exploit Fix available

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Published
Jul 10, 2018
Updated
Jun 16, 2026
EPSS
0.5% · 38th percentile
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CNA vs NVD score

NVD
5.5
CNA · redhat
6.5
1.0 point gap

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
redhatenterprise linux
redhatenterprise linux desktop
redhatenterprise linux server
redhatenterprise linux workstation

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • redhat enterprise linux6.0
  • redhat enterprise linux desktop6.0
  • redhat enterprise linux server6.0
  • redhat enterprise linux workstation6.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux kernel

    • n/aaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Red Hat:enterprise_linux:6::clientkernelbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-abi-whitelistsbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-debugbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-debug-debuginfobefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-debug-develbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-debuginfobefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-debuginfo-common-i686before 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-debuginfo-common-x86_64before 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-develbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-docbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-firmwarebefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientkernel-headersbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientperfbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientperf-debuginfobefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientpython-perfbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::clientpython-perf-debuginfobefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::serverkernel-bootwrapperbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::serverkernel-debuginfo-common-ppc64before 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::serverkernel-debuginfo-common-s390xbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::serverkernel-kdumpbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::serverkernel-kdump-debuginfobefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6
Red Hat:enterprise_linux:6::serverkernel-kdump-develbefore 0:2.6.32-754.2.1.el60:2.6.32-754.2.1.el6

Same product

redhat: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-50387Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of ser
    60This week
  • CVE-2015-3246libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, wKEV
    53Plan
  • CVE-2017-5456A mechanism to bypass file system access protections in the sandbox using the file system request constructor through an IPC message.
    40Plan
  • CVE-2017-5428An integer overflow in "createImageBitmap()" was reported through the Pwn2Own contest.
    40Plan
  • CVE-2021-20325Missing fixes for CVE-2021-40438 and CVE-2021-26691 in the versions of httpd, as shipped in Red Hat Enterprise Linux 8.5.0, causes a securit
    39Monitor
  • CVE-2008-3844Certain Red Hat Enterprise Linux (RHEL) 4 and 5 packages for OpenSSH, as signed in August 2008 using a legitimate Red Hat GPG key, contain a
    38Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
red hat:kernel0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-abi-whitelists0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-debug0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-debug-debuginfo0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-debug-devel0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-debuginfo0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-debuginfo-common-i6860:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-debuginfo-common-x86_640:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-devel0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-doc0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-firmware0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)
red hat:kernel-headers0:2.6.32-754.2.1.el6 · Red Hat:enterprise_linux:6::clientPackage registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-250 · Execution with Unnecessary Privileges

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records