gsd-2020-29660
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.
Aliases
Aliases
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"description": "A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.",
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"https://www.debian.org/security/2021/dsa-4843",
"https://access.redhat.com/errata/RHSA-2021:4356",
"https://access.redhat.com/errata/RHSA-2021:4140",
"https://ubuntu.com/security/CVE-2020-29660",
"https://advisories.mageia.org/CVE-2020-29660.html",
"https://security.archlinux.org/CVE-2020-29660",
"https://alas.aws.amazon.com/cve/html/CVE-2020-29660.html",
"https://linux.oracle.com/cve/CVE-2020-29660.html"
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},
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"remediation": "unknown",
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"impact": {
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"acInsufInfo": false,
"cvssV2": {
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"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 2.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": false
},
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"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
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"exploitabilityScore": 0.8,
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},
"lastModifiedDate": "2021-11-30T22:21Z",
"publishedDate": "2020-12-09T17:15Z"
}
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- 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.