CVE-2023-52670
MediumIn the Linux kernel, the following vulnerability has been resolved: rpmsg: virtio: Free driver_override when rpmsg_remove() Free driver_override when rpmsg_remove(), otherwise the following memory leak will occur: unreferenced object 0xffff0000d55d7080 (size 128): comm "kworker/u8:2", pid 56, jiffies 4294893188 (age 214.272s) hex dump (first 32 bytes): 72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00 rpmsg_ns........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009c94c9c1>] __kmem_cache_alloc_node+0x1f8/0x320 [<000000002300d89b>] __kmalloc_node_track_caller+0x44/0x70 [<00000000228a60c3>] kstrndup+0x4c/0x90 [<0000000077158695>] driver_set_override+0xd0/0x164 [<000000003e9c4ea5>] rpmsg_register_device_override+0x98/0x170 [<000000001c0c89a8>] rpmsg_ns_register_device+0x24/0x30 [<000000008bbf8fa2>] rpmsg_probe+0x2e0/0x3ec [<00000000e65a68df>] virtio_dev_probe+0x1c0/0x280 [<00000000443331cc>] really_probe+0xbc/0x2dc [<00000000391064b1>] __driver_probe_device+0x78/0xe0 [<00000000a41c9a5b>] driver_probe_device+0xd8/0x160 [<000000009c3bd5df>] __device_attach_driver+0xb8/0x140 [<0000000043cd7614>] bus_for_each_drv+0x7c/0xd4 [<000000003b929a36>] __device_attach+0x9c/0x19c [<00000000a94e0ba8>] device_initial_probe+0x14/0x20 [<000000003c999637>] bus_probe_device+0xa0/0xac
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-401CVE-2023-52670 is a Memory Leak vulnerability
What is Memory Leak?
The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE
Affected versions
Linux kernel versions
4.13
and later are affected. Fixed in
4.19.307,
5.4.269,
5.10.210,
5.15.149,
6.1.76,
6.6.15,
6.7.3,
6.8
and their respective stable series.
References
10 total-
Patch
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Frequently asked questions
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What is CVE-2023-52670?
CVE-2023-52670 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 4.13 onward and has been patched in 4.19.307, 5.4.269, 5.10.210 and others. CVE-2023-52670 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2023-52670?
CVE-2023-52670 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2023-52670?
Yes. CVE-2023-52670 has been patched. Fixed versions include 4.19.307, 5.4.269, 5.10.210 and others. If you are running Linux kernel 4.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-52670 actively exploited?
No. CVE-2023-52670 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.