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CVE-2009-1883

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not...

4.4 MediumFix available

CVE-2009-1883 is a medium vulnerability (CVSS 4.4) in Linux Kernel, published September 18, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in linux-2.6 2.6.18.dfsg.1-26etch1.

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

Exploit likelihood

0.34%Down 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.4

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

Record
CVE-2009-1883
CVSS 2.0
4.4 MediumAV:L/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

Record
CVE-2009-1883
Updated
2026-11-02
EUVDEUVD-2009-1878 No score

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

Record
EUVD-2009-1878
Updated
2026-11-03
GitHub AdvisoriesGHSA-h3m4-w364-g2gg No score

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not...

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

Record
GHSA-h3m4-w364-g2gg
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
linux-2.6
Debian:4.0
 before 2.6.18.dfsg.1-26etch1, plus listed versions
2.6.18.dfsg.1-122.6.18.dfsg.1-12etch12.6.18.dfsg.1-12etch22.6.18.dfsg.1-132.6.18.dfsg.1-13etch1
Show 32 moreShow less
2.6.18.dfsg.1-13etch22.6.18.dfsg.1-13etch32.6.18.dfsg.1-13etch42.6.18.dfsg.1-13etch52.6.18.dfsg.1-13etch62.6.18.dfsg.1-13lenny12.6.18.dfsg.1-142.6.18.dfsg.1-152.6.18.dfsg.1-162.6.18.dfsg.1-172.6.18.dfsg.1-17etch12.6.18.dfsg.1-182.6.18.dfsg.1-18etch12.6.18.dfsg.1-18etch32.6.18.dfsg.1-18etch42.6.18.dfsg.1-18etch52.6.18.dfsg.1-18etch62.6.18.dfsg.1-192.6.18.dfsg.1-202.6.18.dfsg.1-212.6.18.dfsg.1-222.6.18.dfsg.1-22etch12.6.18.dfsg.1-22etch22.6.18.dfsg.1-22etch32.6.18.dfsg.1-232.6.18.dfsg.1-23etch12.6.18.dfsg.1-242.6.18.dfsg.1-24etch12.6.18.dfsg.1-24etch22.6.18.dfsg.1-24etch32.6.18.dfsg.1-24etch42.6.18.dfsg.1-26
2.6.18.dfsg.1-26etch1
kernel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-doc
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-smp
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
Show 39 moreShow less
Affected packages
PackageAffectedFixed
kernel-smp-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::as
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-doc
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-smp
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::desktop
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-doc
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-smp
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::es
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-doc
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-largesmp-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-smp
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL
kernel-xenU-devel
Red Hat:enterprise_linux:4::ws
 before 0:2.6.9-89.0.11.EL
0:2.6.9-89.0.11.EL

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

Show 40 moreShow less
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