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7.2
CVSSv2

CVE-2009-4141

Published: 19/01/2010 Updated: 13/02/2023
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
VMScore: 725
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
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Vulnerability Summary

Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel prior to 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.

Vulnerability Trend

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linux linux kernel 2.6.11

linux linux kernel 2.6.23.4

linux linux kernel 2.6.16.16

linux linux kernel 2.6.18.7

linux linux kernel 2.6.17.12

linux linux kernel 2.6.16.9

linux linux kernel 2.6.17.9

linux linux kernel 2.6.11.2

linux linux kernel 2.6.5

linux linux kernel 2.6.15.3

linux linux kernel 2.6.11.10

linux linux kernel 2.6.1

linux linux kernel 2.6.16.6

linux linux kernel 2.6.16.8

linux linux kernel 2.6.22.4

linux linux kernel 2.6.14.7

linux linux kernel 2.6.13

linux linux kernel 2.6.17.2

linux linux kernel 2.6.13.3

linux linux kernel

linux linux kernel 2.6.11.8

linux linux kernel 2.6.23.7

linux linux kernel 2.6.17.8

linux linux kernel 2.6.14.4

linux linux kernel 2.6.14

linux linux kernel 2.6.17.4

linux linux kernel 2.6.16.18

linux linux kernel 2.6.17.14

linux linux kernel 2.6.10

linux linux kernel 2.6.14.3

linux linux kernel 2.6.24

linux linux kernel 2.6.18.3

linux linux kernel 2.6.11.6

linux linux kernel 2.6.11.11

linux linux kernel 2.6.16.13

linux linux kernel 2.6.3

linux linux kernel 2.6.32

linux linux kernel 2.6.16.4

linux linux kernel 2.6.17.3

linux linux kernel 2.6.32.3

linux linux kernel 2.6.22

linux linux kernel 2.6.4

linux linux kernel 2.6.16.15

linux linux kernel 2.6.15.6

linux linux kernel 2.6.15.1

linux linux kernel 2.6.11.5

linux linux kernel 2.6.18.4

linux linux kernel 2.6.33

linux linux kernel 2.6.16.1

linux linux kernel 2.6.18.1

linux linux kernel 2.6.23.1

linux linux kernel 2.6.2

linux linux kernel 2.6.14.5

linux linux kernel 2.6.13.2

linux linux kernel 2.6.17.5

linux linux kernel 2.6.18.5

linux linux kernel 2.6.13.5

linux linux kernel 2.6.17

linux linux kernel 2.6.16.11

linux linux kernel 2.6.16.14

linux linux kernel 2.6.16.25

linux linux kernel 2.6.16.21

linux linux kernel 2.6.8

linux linux kernel 2.6.16.28

linux linux kernel 2.6.17.10

linux linux kernel 2.6.14.1

linux linux kernel 2.6.16.23

linux linux kernel 2.6.12.5

linux linux kernel 2.6.15.7

linux linux kernel 2.6.22.7

linux linux kernel 2.6.16.3

linux linux kernel 2.6.14.6

linux linux kernel 2.6.12.1

linux linux kernel 2.6.11.9

linux linux kernel 2.6.17.1

linux linux kernel 2.6.0

linux linux kernel 2.6.13.4

linux linux kernel 2.6.23

linux linux kernel 2.6.22.6

linux linux kernel 2.6.23.3

linux linux kernel 2.6.18.8

linux linux kernel 2.6.22.3

linux linux kernel 2.6.12.2

linux linux kernel 2.6.16.31

linux linux kernel 2.6.16.26

linux linux kernel 2.6.18.2

linux linux kernel 2.6.16.29

linux linux kernel 2.6.16

linux linux kernel 2.6.15.2

linux linux kernel 2.6.16.22

linux linux kernel 2.6.17.11

linux linux kernel 2.6.16.10

linux linux kernel 2.6.12.4

linux linux kernel 2.6.11.3

linux linux kernel 2.6.16.24

linux linux kernel 2.6.12.3

linux linux kernel 2.6.23.2

linux linux kernel 2.6.7

linux linux kernel 2.6.32.4

linux linux kernel 2.6.16.30

linux linux kernel 2.6.15.4

linux linux kernel 2.6.16.17

linux linux kernel 2.6.16.12

linux linux kernel 2.6.16.27

linux linux kernel 2.6.12.6

linux linux kernel 2.6.17.7

linux linux kernel 2.6.11.7

linux linux kernel 2.6.16.2

linux linux kernel 2.6.18.6

linux linux kernel 2.6.15

linux linux kernel 2.6.23.5

linux linux kernel 2.6.32.2

linux linux kernel 2.6.17.6

linux linux kernel 2.6.23.6

linux linux kernel 2.6.16.7

linux linux kernel 2.6.32.1

linux linux kernel 2.6.17.13

linux linux kernel 2.6.22.2

linux linux kernel 2.6.8.1

linux linux kernel 2.6.22.5

linux linux kernel 2.6.16.5

linux linux kernel 2.6.11.4

linux linux kernel 2.6.16.19

linux linux kernel 2.6.11.12

linux linux kernel 2.6.16.20

linux linux kernel 2.6.15.5

linux linux kernel 2.6.11.1

linux linux kernel 2.6.9

linux linux kernel 2.6.13.1

linux linux kernel 2.6.6

linux linux kernel 2.6.12

Vendor Advisories

Ubuntu Security Notice: linux, linux-source-2.6.15 vulnerabilities
Amerigo Wang and Eric Sesterhenn discovered that the HFS and ext4 filesystems did not correctly check certain disk structures If a user were tricked into mounting a specially crafted filesystem, a remote attacker could crash the system or gain root privileges (CVE-2009-4020, CVE-2009-4308) ...
Red Hat: Important: kernel security and bug fix update
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix multiple security issues and several bugsare now available for Red Hat Enterprise Linux 5This update has been rated as having important security impact by the RedHat Secu ...
Red Hat: Important: kernel security and bug fix update
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix three security issues and multiple bugsare now available for Red Hat Enterprise Linux 53 Extended Update SupportThe Red Hat Security Response Team has rated this update ...

Exploits

Exploit DB: Linux Kernel < 2.6.28 - 'fasync_helper()' Local Privilege Escalation
/* source: wwwsecurityfocuscom/bid/37806/info Linux kernel is prone to a local privilege-escalation vulnerability Local attackers can exploit this issue to execute arbitrary code with kernel-level privileges Successful exploits will result in the complete compromise of affected computers The Linux Kernel 2628 and later are vulnera ...

References

CWE-399http://lock.cmpxchg8b.com/5ebe2294ecd0e0f08eab7690d2a6ee69/create_elf_tables.chttp://www.securityfocus.com/bid/37806http://twitter.com/taviso/statuses/7744108017http://secunia.com/advisories/38199http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.33-rc4-git1.bz2http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=547906https://rhn.redhat.com/errata/RHSA-2010-0046.htmlhttps://rhn.redhat.com/errata/RHSA-2010-0095.htmlhttp://support.avaya.com/css/P8/documents/100073666http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.htmlhttp://www.redhat.com/support/errata/RHSA-2010-0161.htmlhttp://secunia.com/advisories/39033https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9201https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7054http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=53281b6d34d44308372d16acb7fb5327609f68b6https://usn.ubuntu.com/894-1/https://nvd.nist.govhttps://www.exploit-db.com/exploits/33523/
CVSSv3
CVSSv2
CVSSv3
VMScore
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