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4.9
CVSSv2

CVE-2009-2847

Published: 18/08/2009 Updated: 07/11/2023
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
VMScore: 495
Vector: AV:L/AC:L/Au:N/C:C/I:N/A:N
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Vulnerability Summary

The do_sigaltstack function in kernel/signal.c in Linux kernel 2.4 up to and including 2.4.37 and 2.6 prior to 2.6.31-rc5, when running on 64-bit systems, does not clear certain padding bytes from a structure, which allows local users to obtain sensitive information from the kernel stack via the sigaltstack function.

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linux kernel 2.6.24.7

linux kernel 2.6.25.15

linux linux_kernel

linux linux_kernel 2.6

linux linux_kernel 2.6.0

linux linux_kernel 2.6.1

linux linux_kernel 2.6.10

linux linux_kernel 2.6.11

linux linux_kernel 2.6.11.1

linux linux_kernel 2.6.11.2

linux linux_kernel 2.6.11.3

linux linux_kernel 2.6.11.4

linux linux_kernel 2.6.11.5

linux linux_kernel 2.6.11.6

linux linux_kernel 2.6.11.7

linux linux_kernel 2.6.11.8

linux linux_kernel 2.6.11.9

linux linux_kernel 2.6.11.10

linux linux_kernel 2.6.11.11

linux linux_kernel 2.6.11.12

linux linux_kernel 2.6.12

linux linux_kernel 2.6.12.1

linux linux_kernel 2.6.12.2

linux linux_kernel 2.6.12.3

linux linux_kernel 2.6.12.4

linux linux_kernel 2.6.12.5

linux linux_kernel 2.6.12.6

linux linux_kernel 2.6.13

linux linux_kernel 2.6.13.1

linux linux_kernel 2.6.13.2

linux linux_kernel 2.6.13.3

linux linux_kernel 2.6.13.4

linux linux_kernel 2.6.13.5

linux linux_kernel 2.6.14

linux linux_kernel 2.6.14.1

linux linux_kernel 2.6.14.2

linux linux_kernel 2.6.14.3

linux linux_kernel 2.6.14.4

linux linux_kernel 2.6.14.5

linux linux_kernel 2.6.14.6

linux linux_kernel 2.6.14.7

linux linux_kernel 2.6.15

linux linux_kernel 2.6.15.1

linux linux_kernel 2.6.15.2

linux linux_kernel 2.6.15.3

linux linux_kernel 2.6.15.4

linux linux_kernel 2.6.15.5

linux linux_kernel 2.6.15.6

linux linux_kernel 2.6.15.7

linux linux_kernel 2.6.16

linux linux_kernel 2.6.16.1

linux linux_kernel 2.6.16.2

linux linux_kernel 2.6.16.3

linux linux_kernel 2.6.16.10

linux linux_kernel 2.6.16.11

linux linux_kernel 2.6.16.12

linux linux_kernel 2.6.16.13

linux linux_kernel 2.6.16.14

linux linux_kernel 2.6.16.15

linux linux_kernel 2.6.16.16

linux linux_kernel 2.6.16.17

linux linux_kernel 2.6.16.18

linux linux_kernel 2.6.16.19

linux linux_kernel 2.6.16.20

linux linux_kernel 2.6.16.21

linux linux_kernel 2.6.16.22

linux linux_kernel 2.6.16.23

linux linux_kernel 2.6.16.24

linux linux_kernel 2.6.16.25

linux linux_kernel 2.6.16.26

linux linux_kernel 2.6.16.27

linux linux_kernel 2.6.16.28

linux linux_kernel 2.6.16.29

linux linux_kernel 2.6.16.30

linux linux_kernel 2.6.16.31

Vendor Advisories

Ubuntu Security Notice: linux, linux-source-2.6.15 vulnerabilities
Solar Designer discovered that the z90crypt driver did not correctly check capabilities A local attacker could exploit this to shut down the device, leading to a denial of service Only affected Ubuntu 606 (CVE-2009-1883) ...
Debian Security Advisories: DSA-1928-1 linux-2.6.24 -- privilege escalation/denial of service/sensitive memory leak
Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, sensitive memory leak or privilege escalation The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2009-2846 Michael Buesch noticed a typing issue in the eisa-eeprom driver for the hppa architecture Lo ...

Exploits

Exploit DB: Linux Kernel 2.6.31-rc5 - sigaltstack 4-Byte Stack Disclosure
/* * sigaltstack-leakc * * Linux Kernel <= 2631-rc5 sigaltstack 4-Byte Stack Disclosure * Jon Oberheide <jon@oberheideorg> * jonoberheideorg * * Information: * * gitkernelorg/linus/0083fc2c50e6c5127c2802ad323adf8143ab7856 * * Ulrich Drepper correctly points out that there is generally padding in * ...

References

NVD-CWE-noinfohttp://www.openwall.com/lists/oss-security/2009/08/04/1https://bugzilla.redhat.com/show_bug.cgi?id=515392http://www.openwall.com/lists/oss-security/2009/08/05/1https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.htmlhttp://secunia.com/advisories/36136http://secunia.com/advisories/36501http://www.openwall.com/lists/oss-security/2009/08/26/2http://secunia.com/advisories/36759http://www.redhat.com/support/errata/RHSA-2009-1438.htmlhttp://www.vupen.com/english/advisories/2009/3316http://www.vmware.com/security/advisories/VMSA-2009-0016.htmlhttp://secunia.com/advisories/37471http://secunia.com/advisories/37105http://www.ubuntu.com/usn/USN-852-1http://secunia.com/advisories/36562http://rhn.redhat.com/errata/RHSA-2009-1243.htmlhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8405https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10637http://www.exploit-db.com/exploits/9352http://www.securityfocus.com/archive/1/507985/100/0/threadedhttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=0083fc2c50e6c5127c2802ad323adf8143ab7856https://nvd.nist.govhttps://usn.ubuntu.com/852-1/https://www.exploit-db.com/exploits/9352/
VMScore
CVSSv2
CVSSv3
VMScore
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