CVE-2010-3437: canonical ubuntu_linux NULL Pointer Dereference
Vulnerability summary
CVE-2010-3437 is a medium (CVSS 6.6) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 2.40% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities. 3 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 04-10-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
Integer signedness error in the pkt_find_dev_from_minor function in drivers/block/pktcdvd.c in the Linux kernel before 2.6.36-rc6 allows local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and system crash) via a crafted index value in a PKT_CTRL_CMD_STATUS ioctl call.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.40%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.40% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Exploit Reference (jon.oberheide.org)
Maturity: unknown
Linux Kernel < 2.6.36-rc6 (RedHat / Ubuntu 10.04) - 'pktcdvd' Kernel Memory Disclosure
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Suse4 products
- linux_enterprise_desktop10:sp3 | 11:sp1
- linux_enterprise_real_time_extension11:sp1
- linux_enterprise_server9 | 10:sp3 | 11:sp1
- linux_enterprise_software_development_kit10:sp3
Canonical1 product
- ubuntu_linuxEOL6.06 | 8.04 | 9.04 | 9.10 | 10.04 | 10.10
Debian1 product
- debian_linuxEOL5.0
Linux1 product
- linux_kernel< 2.6.36 | 2.6.36 | 2.6.36:rc1 | 2.6.36:rc2 | 2.6.36:rc3 | 2.6.36:rc4 | 2.6.36:rc5
Opensuse1 product
- opensuseEOL11.2 | 11.3
5 vendors · 8 products
References
24 links- lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=638085X Refsource CONFIRMExploitIssue TrackingPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
Show all 24 references
- git.kernel.orgX Refsource CONFIRM
- lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.redhat.com/support/errata/RHSA-2010-0842.htmlVendor AdvisoryX Refsource REDHATThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2011:051Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2011:029Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
