ghsa-f4r4-2gxf-88xj
Vulnerability from github
Published
2022-09-10 00:00
Modified
2022-09-16 00:00
Severity ?
Details
A use-after-free vulnerability was found in systemd. This issue occurs due to the on_stream_io() function and dns_stream_complete() function in 'resolved-dns-stream.c' not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the DNSStream object, causing the use-after-free when the reference is still used later.
{ "affected": [], "aliases": [ "CVE-2022-2526" ], "database_specific": { "cwe_ids": [ "CWE-416" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2022-09-09T15:15:00Z", "severity": "CRITICAL" }, "details": "A use-after-free vulnerability was found in systemd. This issue occurs due to the on_stream_io() function and dns_stream_complete() function in \u0027resolved-dns-stream.c\u0027 not incrementing the reference counting for the DnsStream object. Therefore, other functions and callbacks called can dereference the DNSStream object, causing the use-after-free when the reference is still used later.", "id": "GHSA-f4r4-2gxf-88xj", "modified": "2022-09-16T00:00:33Z", "published": "2022-09-10T00:00:26Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-2526" }, { "type": "WEB", "url": "https://github.com/systemd/systemd/commit/d973d94dec349fb676fdd844f6fe2ada3538f27c" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20221111-0005" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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Sightings
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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.
- 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.