CVE-2014-3153: Linux Kernel Privilege Escalation Vulnerability HIGH 7.8 EXPLOITED WATCHLIST UPGRADE MITIGATE MITIGATE
CVE-2014-3153 is a high-severity flaw (CVSS 7.8) affecting linux kernel, enterprise linux server aus, opensuse, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The futex_requeue function in kernel/futex.c in the Linux kernel through 3.14.5 does not ensure that calls have two different futex addresses, which allows local users to gain privileges via a crafted FUTEX_REQUEUE command that facilitates unsafe waiter modification.
Why this priority High severity EPSS top 1%: very likely to be exploited Exploited in the wild (CISA KEV) Public exploit reference On your watchlist A fixed release or distro patch exists.
Risk facts CVSS score 7.8 (High) Attack vector Local Attack complexity Low Privileges needed Low User interaction None EPSS exploit chance 37.2% (top 1%) CISA exploited list Yes, fix due 2022-06-15 Published 2014-06-07 Last modified 2026-06-17
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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline 2014-06-07 14:55 UTC Published CVE record published2022-05-25 Exploited Added to the CISA Known Exploited Vulnerabilities list2022-06-15 Deadline CISA due date for US federal agencies to patch2026-06-17 00:07 UTC Updated Record last modifiedlinux linux kernel UPGRADE
Affected: < 3.2.60 · >= 3.3 and < 3.4.92 · >= 3.5 and < 3.10.42 · >= 3.11 and < 3.12.22 · >= 3.13 and < 3.14.6
Fixed in: 3.2.60, 3.4.92, 3.10.42, 3.12.22, 3.14.6
Safe to downgrade to: no unaffected older release
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
redhat enterprise linux server aus MITIGATE
Affected: 6.2
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.2
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
opensuse opensuse MITIGATE
Affected: 11.4
Fixed in: no fixed release known
Safe to downgrade to: a release before 11.4
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse linux enterprise desktop MITIGATE
Affected: 11 sp3
Fixed in: no fixed release known
Safe to downgrade to: a release before 11
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse linux enterprise high availability extension MITIGATE
Affected: 11 sp3
Fixed in: no fixed release known
Safe to downgrade to: a release before 11
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
suse linux enterprise real time extension MITIGATE
Affected: 11 sp3
Fixed in: no fixed release known
Safe to downgrade to: a release before 11
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Exact fixes by distribution Show all
A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · perl-Net-IDN-Encode ·
FIXED · 2.600-1.fc46 · FEDORA-2026-84eff0ea64 ·
source Copy sudo dnf upgrade --advisory=FEDORA-2026-84eff0ea64
Fedora ELN · libXISF ·
FIXED · 0.2.15-2.eln159 · FEDORA-2026-b9e2d1bda0 ·
source Copy sudo dnf upgrade --advisory=FEDORA-2026-b9e2d1bda0
Debian 12 · linux · FIXED · 3.14.5-1
Copy sudo apt update && sudo apt install --only-upgrade linux
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux)" ge "3.14.5-1" && echo PATCHED || echo STILL-VULNERABLE
Debian 13 · linux · FIXED · 3.14.5-1
Copy sudo apt update && sudo apt install --only-upgrade linux
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux)" ge "3.14.5-1" && echo PATCHED || echo STILL-VULNERABLE
RHEL 6 · kernel · FIXED · kernel-2.6.32-431.20.3.el6
Copy sudo dnf upgrade --advisory=RHSA-2014:0771
rpm -q kernel
RHEL 6.2 Advanced Update Support · kernel · FIXED · kernel-2.6.32-220.52.1.el6
Copy sudo dnf upgrade --advisory=RHSA-2014:0800
rpm -q kernel
RHEL 6.4 Extended Update Support · kernel · FIXED · kernel-2.6.32-358.46.1.el6
Copy sudo dnf upgrade --advisory=RHSA-2014:0900
rpm -q kernel
RHEL 7 · kernel · FIXED · kernel-3.10.0-123.4.2.el7
Copy sudo dnf upgrade --advisory=RHSA-2014:0786
rpm -q kernel
RHEL 5 · kernel · NOT AFFECTED
Copy sudo yum update --advisory=ALAS-2014-392
Public exploits and detection Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
Quick answers How do I fix CVE-2014-3153? linux kernel: upgrade to 3.2.60, 3.4.92, 3.10.42, 3.12.22, 3.14.6; enterprise linux server aus: mitigate or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2014-3153 being exploited? Yes. CVE-2014-3153 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2014-3153 affect? CVE-2014-3153 affects linux kernel, enterprise linux server aus, opensuse. Severity is high (CVSS 7.8). The futex_requeue function in kernel/futex.c in the Linux kernel through 3.14.5 does not ensure that calls have two different futex addresses, which allows local users to gain privileges via a crafted FUTEX_REQUEUE command that facilitates
How urgent is CVE-2014-3153? Priority 87/100. High severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; On your watchlist
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