ghsa-553f-pjfm-rx99
Vulnerability from github
Published
2022-05-14 00:58
Modified
2022-05-14 00:58
Severity ?
Details
The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.
{ "affected": [], "aliases": [ "CVE-2019-11190" ], "database_specific": { "cwe_ids": [ "CWE-362" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2019-04-12T00:29:00Z", "severity": "MODERATE" }, "details": "The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.", "id": "GHSA-553f-pjfm-rx99", "modified": "2022-05-14T00:58:54Z", "published": "2022-05-14T00:58:54Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11190" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d" }, { "type": "WEB", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4008-1" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4008-2" }, { "type": "WEB", "url": "https://usn.ubuntu.com/4008-3" }, { "type": "WEB", "url": "https://www.openwall.com/lists/oss-security/2019/04/03/4" }, { "type": "WEB", "url": "https://www.openwall.com/lists/oss-security/2019/04/03/4/1" }, { "type": "WEB", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html" }, { "type": "WEB", "url": "http://www.openwall.com/lists/oss-security/2019/04/15/1" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/107890" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "type": "CVSS_V3" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.