{"uuid": "d1f144f4-0ebf-432f-b37d-9f2abb4cac53", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2024-43862", "type": "seen", "source": "https://t.me/cvedetector/3700", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2024-43862 - FSL QMC HDSL HLC Linux Kernel Deadlock Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2024-43862 \nPublished : Aug. 21, 2024, 12:15 a.m. | 36\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \nnet: wan: fsl_qmc_hdlc: Convert carrier_lock spinlock to a mutex  \n  \nThe carrier_lock spinlock protects the carrier detection. While it is  \nheld, framer_get_status() is called which in turn takes a mutex.  \nThis is not correct and can lead to a deadlock.  \n  \nA run with PROVE_LOCKING enabled detected the issue:  \n  [ BUG: Invalid wait context ]  \n  ...  \n  c204ddbc (&framer->mutex){+.+.}-{3:3}, at: framer_get_status+0x40/0x78  \n  other info that might help us debug this:  \n  context-{4:4}  \n  2 locks held by ifconfig/146:  \n  #0: c0926a38 (rtnl_mutex){+.+.}-{3:3}, at: devinet_ioctl+0x12c/0x664  \n  #1: c2006a40 (&qmc_hdlc->carrier_lock){....}-{2:2}, at: qmc_hdlc_framer_set_carrier+0x30/0x98  \n  \nAvoid the spinlock usage and convert carrier_lock to a mutex. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"21 Aug 2024\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2024-08-21T03:10:18.000000Z"}