CVE-2009-1897

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://lkml.org/lkml/2009/7/6/19", "name": "[linux-kernel] 20090706 Re: PROBLEM: tun/tap crashes if open() /dev/net/tun and then poll() it.", "tags": ["Exploit"], "refsource": "MLIST"}, {"url": "http://grsecurity.net/~spender/cheddar_bay.tgz", "name": "http://grsecurity.net/~spender/cheddar_bay.tgz", "tags": ["Patch"], "refsource": "MISC"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=512284", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=512284", "tags": [], "refsource": "CONFIRM"}, {"url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0241.html", "name": "20090716 Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable", "tags": [], "refsource": "FULLDISC"}, {"url": "http://isc.sans.org/diary.html?storyid=6820", "name": "http://isc.sans.org/diary.html?storyid=6820", "tags": ["Exploit"], "refsource": "MISC"}, {"url": "http://article.gmane.org/gmane.linux.network/124939", "name": "[netdev] 20090409 Oops in tun: bisected to Limit amount of queued packets per device", "tags": [], "refsource": "MLIST"}, {"url": "http://secunia.com/advisories/35839", "name": "35839", "tags": ["Vendor Advisory"], "refsource": "SECUNIA"}, {"url": "http://www.openwall.com/lists/oss-security/2009/07/17/1", "name": "[oss-security] 20090717 Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable", "tags": [], "refsource": "MLIST"}, {"url": "http://archives.neohapsis.com/archives/fulldisclosure/2009-07/0246.html", "name": "20090716 Re: Linux 2.6.30+/SELinux/RHEL5 test kernel 0day, exploiting the unexploitable", "tags": [], "refsource": "FULLDISC"}, {"url": "http://www.vupen.com/english/advisories/2009/1925", "name": "ADV-2009-1925", "tags": ["Patch", "Vendor Advisory"], "refsource": "VUPEN"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/51803", "name": "linux-kernel-tunchrpoll-code-execution(51803)", "tags": [], "refsource": "XF"}, {"url": "https://www.redhat.com/en/blog/security-flaws-caused-compiler-optimizations", "name": "https://www.redhat.com/en/blog/security-flaws-caused-compiler-optimizations", "tags": [], "refsource": "MISC"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13", "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3c8a9c63d5fd738c261bd0ceece04d9c8357ca13", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The tun_chr_poll function in drivers/net/tun.c in the tun subsystem in the Linux kernel 2.6.30 and 2.6.30.1, when the -fno-delete-null-pointer-checks gcc option is omitted, allows local users to gain privileges via vectors involving a NULL pointer dereference and an mmap of /dev/net/tun, a different vulnerability than CVE-2009-1894."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-119"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2009-1897", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "severity": "MEDIUM", "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2009-07-20T17:30Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc5:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc4:x86_32:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc6:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:2.6.30:rc7-git6:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-13T02:20Z"}