In the Linux kernel, the following vulnerability has been resolved:
net: fix out-of-bounds access in ops_init
net_alloc_generic is called by net_alloc, which is called without any
locking. It reads max_gen_ptrs, which is changed under pernet_ops_rwsem. It
is read twice, first to allocate an array, then to set s.len, which is
later used to limit the bounds of the array access.
It is possible that the array is allocated and another thread is
registering a new pernet ops, increments max_gen_ptrs, which is then used
to set s.len with a larger than allocated length for the variable array.
Fix it by reading max_gen_ptrs only once in net_alloc_generic. If
max_gen_ptrs is later incremented, it will be caught in net_assign_generic.
Metrics
Affected Vendors & Products
References
History
Fri, 22 Nov 2024 12:00:00 +0000
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Tue, 05 Nov 2024 10:45:00 +0000
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Fri, 18 Oct 2024 14:15:00 +0000
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Metrics |
ssvc
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Tue, 24 Sep 2024 11:00:00 +0000
Type | Values Removed | Values Added |
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CPEs | cpe:/o:redhat:enterprise_linux:8 |
Tue, 24 Sep 2024 06:30:00 +0000
Type | Values Removed | Values Added |
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CPEs | cpe:/a:redhat:enterprise_linux:8::nfv |
Wed, 11 Sep 2024 10:45:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Redhat enterprise Linux
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CPEs | cpe:/a:redhat:enterprise_linux:9 cpe:/o:redhat:enterprise_linux:9 |
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Vendors & Products |
Redhat enterprise Linux
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Fri, 06 Sep 2024 13:45:00 +0000
Type | Values Removed | Values Added |
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CPEs | cpe:/o:redhat:rhel_eus:8.8 |
Mon, 26 Aug 2024 06:30:00 +0000
Type | Values Removed | Values Added |
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First Time appeared |
Redhat
Redhat rhel Eus |
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CPEs | cpe:/a:redhat:rhel_eus:9.2 cpe:/a:redhat:rhel_eus:9.2::nfv |
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Vendors & Products |
Redhat
Redhat rhel Eus |
MITRE
Status: PUBLISHED
Assigner: Linux
Published: 2024-05-30T15:28:53.302Z
Updated: 2024-11-05T09:27:26.105Z
Reserved: 2024-05-30T15:25:07.064Z
Link: CVE-2024-36883
Vulnrichment
Updated: 2024-10-18T13:07:38.120Z
NVD
Status : Awaiting Analysis
Published: 2024-05-30T16:15:11.900
Modified: 2024-11-21T09:22:43.597
Link: CVE-2024-36883
Redhat