gsd-2023-52579
Vulnerability from gsd
Modified
2024-03-03 06:01
Details
In the Linux kernel, the following vulnerability has been resolved:
ipv4: fix null-deref in ipv4_link_failure
Currently, we assume the skb is associated with a device before calling
__ip_options_compile, which is not always the case if it is re-routed by
ipvs.
When skb->dev is NULL, dev_net(skb->dev) will become null-dereference.
This patch adds a check for the edge case and switch to use the net_device
from the rtable when skb->dev is NULL.
Aliases
{ "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2023-52579" ], "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: fix null-deref in ipv4_link_failure\n\nCurrently, we assume the skb is associated with a device before calling\n__ip_options_compile, which is not always the case if it is re-routed by\nipvs.\nWhen skb-\u003edev is NULL, dev_net(skb-\u003edev) will become null-dereference.\nThis patch adds a check for the edge case and switch to use the net_device\nfrom the rtable when skb-\u003edev is NULL.", "id": "GSD-2023-52579", "modified": "2024-03-03T06:01:51.770563Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@kernel.org", "ID": "CVE-2023-52579", "STATE": "REJECT" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "** REJECT ** This CVE ID has been rejected or withdrawn by its CVE Numbering Authority." } ] } }, "nvd.nist.gov": { "cve": { "descriptions": [ { "lang": "en", "value": "Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority." } ], "id": "CVE-2023-52579", "lastModified": "2024-03-04T16:15:49.340", "metrics": {}, "published": "2024-03-02T22:15:49.630", "references": [], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Rejected" } } } }
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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.
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- 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.