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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()\n\nmwifiex_get_priv_by_id() returns the priv pointer corresponding to\nthe bss_num and bss_type, but without checking if the priv is actually\ncurrently in use.\nUnused priv pointers do not have a wiphy attached to them which can\nlead to NULL pointer dereferences further down the callstack.  Fix\nthis by returning only used priv pointers which have priv-\u003ebss_mode\nset to something else than NL80211_IFTYPE_UNSPECIFIED.\n\nSaid NULL pointer dereference happened when an Accesspoint was started\nwith wpa_supplicant -i mlan0 with this config:\n\nnetwork={\n        ssid=\"somessid\"\n        mode=2\n        frequency=2412\n        key_mgmt=WPA-PSK WPA-PSK-SHA256\n        proto=RSN\n        group=CCMP\n        pairwise=CCMP\n        psk=\"12345678\"\n}\n\nWhen waiting for the AP to be established, interrupting wpa_supplicant\nwith \u003cctrl-c\u003e and starting it again this happens:\n\n| Unable to handle kernel NULL pointer dereference at virtual address 0000000000000140\n| Mem abort info:\n|   ESR = 0x0000000096000004\n|   EC = 0x25: DABT (current EL), IL = 32 bits\n|   SET = 0, FnV = 0\n|   EA = 0, S1PTW = 0\n|   FSC = 0x04: level 0 translation fault\n| Data abort info:\n|   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n|   CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n|   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n| user pgtable: 4k pages, 48-bit VAs, pgdp=0000000046d96000\n| [0000000000000140] pgd=0000000000000000, p4d=0000000000000000\n| Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n| Modules linked in: caam_jr caamhash_desc spidev caamalg_desc crypto_engine authenc libdes mwifiex_sdio\n+mwifiex crct10dif_ce cdc_acm onboard_usb_hub fsl_imx8_ddr_perf imx8m_ddrc rtc_ds1307 lm75 rtc_snvs\n+imx_sdma caam imx8mm_thermal spi_imx error imx_cpufreq_dt fuse ip_tables x_tables ipv6\n| CPU: 0 PID: 8 Comm: kworker/0:1 Not tainted 6.9.0-00007-g937242013fce-dirty #18\n| Hardware name: somemachine (DT)\n| Workqueue: events sdio_irq_work\n| pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n| pc : mwifiex_get_cfp+0xd8/0x15c [mwifiex]\n| lr : mwifiex_get_cfp+0x34/0x15c [mwifiex]\n| sp : ffff8000818b3a70\n| x29: ffff8000818b3a70 x28: ffff000006bfd8a5 x27: 0000000000000004\n| x26: 000000000000002c x25: 0000000000001511 x24: 0000000002e86bc9\n| x23: ffff000006bfd996 x22: 0000000000000004 x21: ffff000007bec000\n| x20: 000000000000002c x19: 0000000000000000 x18: 0000000000000000\n| x17: 000000040044ffff x16: 00500072b5503510 x15: ccc283740681e517\n| x14: 0201000101006d15 x13: 0000000002e8ff43 x12: 002c01000000ffb1\n| x11: 0100000000000000 x10: 02e8ff43002c0100 x9 : 0000ffb100100157\n| x8 : ffff000003d20000 x7 : 00000000000002f1 x6 : 00000000ffffe124\n| x5 : 0000000000000001 x4 : 0000000000000003 x3 : 0000000000000000\n| x2 : 0000000000000000 x1 : 0001000000011001 x0 : 0000000000000000\n| Call trace:\n|  mwifiex_get_cfp+0xd8/0x15c [mwifiex]\n|  mwifiex_parse_single_response_buf+0x1d0/0x504 [mwifiex]\n|  mwifiex_handle_event_ext_scan_report+0x19c/0x2f8 [mwifiex]\n|  mwifiex_process_sta_event+0x298/0xf0c [mwifiex]\n|  mwifiex_process_event+0x110/0x238 [mwifiex]\n|  mwifiex_main_process+0x428/0xa44 [mwifiex]\n|  mwifiex_sdio_interrupt+0x64/0x12c [mwifiex_sdio]\n|  process_sdio_pending_irqs+0x64/0x1b8\n|  sdio_irq_work+0x4c/0x7c\n|  process_one_work+0x148/0x2a0\n|  worker_thread+0x2fc/0x40c\n|  kthread+0x110/0x114\n|  ret_from_fork+0x10/0x20\n| Code: a94153f3 a8c37bfd d50323bf d65f03c0 (f940a000)\n| ---[ end trace 0000000000000000 ]---"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:A - The vulnerable dispatch is driven by data arriving from the wireless medium \u2014 ext-scan-report events generated from nearby beacons/probe responses and RX data frames whose RXPD `bss_num`/`bss_type` select the priv \u2014 so an attacker within 802.11 range of the mwifiex device supplies the triggering input. This matches the adjacent-network treatment used for other frame-driven mwifiex/mac80211 defects.\nAC:L - No race must be won: the zero-initialized decoy privs permanently shadow `(bss_num 0, bss_type STA)` on any device operating in AP/hotspot mode, and privs left behind by `mwifiex_del_virtual_intf()` keep matching their old BSS id indefinitely, so a steady stream of frames/events reliably lands on an unused priv.\nPR:N - The attacker needs no credentials or association on the target \u2014 unassociated beacons/probe responses feed the scan-result event path and received frames feed the RX data path, both of which are processed before any authentication state matters.\nUI:N - No victim action is required; the stale-priv condition is the device\u0027s steady-state configuration in AP/hotspot deployments and after any routine interface teardown, and the driver processes the offending events and frames autonomously in a workqueue/IRQ context.\nS:U - Both the flawed lookup and its consequences are confined to the kernel\u0027s own security authority within the mwifiex driver; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - A stale priv causes reads through dangling and never-initialized pointers, and on a deleted interface the freed `priv-\u003ehist_data` object continues to be accessed (including read back via the debugfs histogram after reallocation), giving disclosure of reused heap contents; per use-after-free treatment this is High.\nI:H - `mwifiex_hist_data_add()`/`mwifiex_hist_data_set()` perform `atomic_inc()` into the freed `hist_data` buffer at offsets derived from the received frame\u0027s `rx_rate`/`snr`/`nf` fields (with `rssi = snr - nflr` able to index past the arrays), yielding an out-of-bounds write primitive on freed heap memory that is exploitable for control-flow influence.\nA:H - The commit documents a reproducible kernel oops \u2014 NULL dereference of `priv-\u003ewdev.wiphy-\u003ebands[]` in `mwifiex_get_cfp()` \u2014 and the same stale priv also NULL-derefs `priv-\u003enetdev` in `eth_type_trans()`, producing a kernel panic."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:38:23.495Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a12cf97cbefa139ef8d95081f2ea047cbbd74b7a"
        },
        {
          "url": "https://git.kernel.org/stable/c/d834433ff313838a259bb6607055ece87b895b66"
        },
        {
          "url": "https://git.kernel.org/stable/c/9813770f25855b866b8ead8155b8806b2db70f6d"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb67b2e51b75f1a17bee7599c8161b96e1808a70"
        },
        {
          "url": "https://git.kernel.org/stable/c/1a05d8d02cfa3540ea5dbd6b39446bd3f515521f"
        },
        {
          "url": "https://git.kernel.org/stable/c/c2618dcb26c7211342b54520b5b148c0d3471c8a"
        },
        {
          "url": "https://git.kernel.org/stable/c/c16916dd6c16fa7e13ca3923eb6b9f50d848ad03"
        },
        {
          "url": "https://git.kernel.org/stable/c/c145eea2f75ff7949392aebecf7ef0a81c1f6c14"
        }
      ],
      "title": "wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46755",
    "datePublished": "2024-09-18T07:12:14.820Z",
    "dateReserved": "2024-09-11T15:12:18.270Z",
    "dateUpdated": "2026-08-05T11:38:23.495Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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                  },
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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          {
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        "title": "CVE Program Container"
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              "status": "unaffected",
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              "status": "unaffected",
              "version": "5.4.284",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.10.226",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "5.15.167",
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              "status": "unaffected",
              "version": "6.1.110",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.6.51",
              "versionType": "semver"
            },
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              "status": "unaffected",
              "version": "6.10.10",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
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                  "versionEndExcluding": "4.19.322",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.284",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.226",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.167",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.110",
                  "versionStartIncluding": "2.6.25",
                  "vulnerable": true
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                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.51",
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                  "vulnerable": true
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                {
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Remove proc entry when dev is unregistered.\n\nsyzkaller reported a warning in bcm_connect() below. [0]\n\nThe repro calls connect() to vxcan1, removes vxcan1, and calls\nconnect() with ifindex == 0.\n\nCalling connect() for a BCM socket allocates a proc entry.\nThen, bcm_sk(sk)-\u003ebound is set to 1 to prevent further connect().\n\nHowever, removing the bound device resets bcm_sk(sk)-\u003ebound to 0\nin bcm_notify().\n\nThe 2nd connect() tries to allocate a proc entry with the same\nname and sets NULL to bcm_sk(sk)-\u003ebcm_proc_read, leaking the\noriginal proc entry.\n\nSince the proc entry is available only for connect()ed sockets,\nlet\u0027s clean up the entry when the bound netdev is unregistered.\n\n[0]:\nproc_dir_entry \u0027can-bcm/2456\u0027 already registered\nWARNING: CPU: 1 PID: 394 at fs/proc/generic.c:376 proc_register+0x645/0x8f0 fs/proc/generic.c:375\nModules linked in:\nCPU: 1 PID: 394 Comm: syz-executor403 Not tainted 6.10.0-rc7-g852e42cc2dd4\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014\nRIP: 0010:proc_register+0x645/0x8f0 fs/proc/generic.c:375\nCode: 00 00 00 00 00 48 85 ed 0f 85 97 02 00 00 4d 85 f6 0f 85 9f 02 00 00 48 c7 c7 9b cb cf 87 48 89 de 4c 89 fa e8 1c 6f eb fe 90 \u003c0f\u003e 0b 90 90 48 c7 c7 98 37 99 89 e8 cb 7e 22 05 bb 00 00 00 10 48\nRSP: 0018:ffa0000000cd7c30 EFLAGS: 00010246\nRAX: 9e129be1950f0200 RBX: ff1100011b51582c RCX: ff1100011857cd80\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002\nRBP: 0000000000000000 R08: ffd400000000000f R09: ff1100013e78cac0\nR10: ffac800000cd7980 R11: ff1100013e12b1f0 R12: 0000000000000000\nR13: 0000000000000000 R14: 0000000000000000 R15: ff1100011a99a2ec\nFS:  00007fbd7086f740(0000) GS:ff1100013fd00000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00000000200071c0 CR3: 0000000118556004 CR4: 0000000000771ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n \u003cTASK\u003e\n proc_create_net_single+0x144/0x210 fs/proc/proc_net.c:220\n bcm_connect+0x472/0x840 net/can/bcm.c:1673\n __sys_connect_file net/socket.c:2049 [inline]\n __sys_connect+0x5d2/0x690 net/socket.c:2066\n __do_sys_connect net/socket.c:2076 [inline]\n __se_sys_connect net/socket.c:2073 [inline]\n __x64_sys_connect+0x8f/0x100 net/socket.c:2073\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xd9/0x1c0 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\nRIP: 0033:0x7fbd708b0e5d\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003c48\u003e 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48\nRSP: 002b:00007fff8cd33f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002a\nRAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd708b0e5d\nRDX: 0000000000000010 RSI: 0000000020000040 RDI: 0000000000000003\nRBP: 0000000000000000 R08: 0000000000000040 R09: 0000000000000040\nR10: 0000000000000040 R11: 0000000000000246 R12: 00007fff8cd34098\nR13: 0000000000401280 R14: 0000000000406de8 R15: 00007fbd70ab9000\n \u003c/TASK\u003e\nremove_proc_entry: removing non-empty directory \u0027net/can-bcm\u0027, leaking at least \u00272456\u0027"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The entire sequence \u2014 CAN_BCM socket creation, connect(), removal of the bound netdev via RTNL, a second connect(), close(), and reading /proc/net/can-bcm/\u003cino\u003e \u2014 requires only local syscalls. No remote or adjacent-network input reaches this code.\nAC:L - The attacker performs a deterministic, self-contained sequence (connect \u2192 delete the interface they created \u2192 connect \u2192 close \u2192 read the leaked proc file); there is no race and no condition outside the attacker\u0027s control.\nPR:L - An ordinary unprivileged user can open a CAN BCM socket (no capability checks in bcm_connect()) and obtain CAP_NET_ADMIN inside a user namespace (`unshare -Urn`) to create and delete the vcan/vxcan device that triggers bcm_notify(); the leaked proc entry is mode 0644 and world-readable.\nUI:N - The attacker drives every step from a single process; no action by another user or administrator is needed.\nS:U - The dangling proc entry and the freed socket are both kernel objects within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The orphaned procfs entry keeps a pointer to a freed struct sock, so reading it makes bcm_proc_show() dereference and walk lists inside a slab object the attacker can re-allocate with controlled content, yielding an attacker-influenced kernel memory read returned to userspace (plus %pK pointer disclosure).\nI:H - The dangling reference is a use-after-free on a freed socket whose slab can be sprayed with attacker-controlled data; the resulting corrupted-object dereferences and list traversals are the standard basis for control-flow/heap manipulation primitives.\nA:H - The second connect() triggers a proc_register() WARN (fatal with panic_on_warn), and any later read of the leaked entry dereferences freed memory, causing an oops or an endless loop over corrupted list pointers, plus permanent procfs/netns resource leakage."
            }
          ]
        }
      ],
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        "dateUpdated": "2026-08-05T11:38:28.890Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/5c680022c4e28ba18ea500f3e29f0428271afa92"
        },
        {
          "url": "https://git.kernel.org/stable/c/33ed4ba73caae39f34ab874ba79138badc2c65dd"
        },
        {
          "url": "https://git.kernel.org/stable/c/aec92dbebdbec7567d9f56d7c9296a572b8fd849"
        },
        {
          "url": "https://git.kernel.org/stable/c/10bfacbd5e8d821011d857bee73310457c9c989a"
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              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check link_index before accessing dc-\u003elinks[]\n\n[WHY \u0026 HOW]\ndc-\u003elinks[] has max size of MAX_LINKS and NULL is return when trying to\naccess with out-of-bound index.\n\nThis fixes 3 OVERRUN and 1 RESOURCE_LEAK issues reported by Coverity."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable code is in the amdgpu DC display driver, reached during local driver probe and subsequently exercised through the local DRM device node (/dev/dri/card*) via atomic ioctl HDCP operations. There is no network-facing path to dc_get_link_at_index().\nAC:L - On an affected platform (DCN3.1-class hardware with 4 USB4 DPIA links plus a VBIOS reporting enough connector indices to push link_count past MAX_LINKS) the out-of-bounds access occurs deterministically on every driver load, and the subsequent use of the corrupted ddc.handle is reached reliably by enabling HDCP. No unpredictable memory-layout or timing condition must be won.\nPR:L - The out-of-bounds read and type-confused write occur during unprivileged driver initialization, and the corrupted HDCP DDC handle is subsequently dereferenced through the Content Protection connector property, which a local user with access to /dev/dri can set via the DRM atomic ioctl. No root or CAP_SYS_ADMIN is required.\nUI:N - The out-of-bounds indexing happens automatically at driver probe with no victim action, and the follow-on HDCP DDC path is driven entirely by the attacker\u0027s own DRM ioctls.\nS:U - The out-of-bounds access and the resulting corruption are confined to kernel memory within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The out-of-bounds read pulls adjacent struct dc members (link_srv, current_state, res_pool, clk_mgr) and treats them as a struct dc_link, so subsequent field reads and the HDCP DDC read_dpcd/read_i2c calls interpret arbitrary kernel memory as link state, and the resulting memory corruption can be leveraged for further information disclosure.\nI:H - The type-confused pointer is written through (link-\u003epriv = aconnector, link-\u003epsr_settings.* = ...), corrupting a live kernel object such as struct link_service or dc_state that contains function pointers, giving a memory-corruption primitive exploitable for control-flow hijacking.\nA:H - Dereferencing an out-of-bounds pointer read as a struct dc_link, and corrupting adjacent live kernel structures, reliably produces a kernel oops/panic and leaves the display subsystem in an inconsistent state."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:38:44.935Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/032c5407a608ac3b2a98bf4fbda27d12c20c5887"
        },
        {
          "url": "https://git.kernel.org/stable/c/ac04759b4a002969cf0f1384f1b8bb2001cfa782"
        },
        {
          "url": "https://git.kernel.org/stable/c/8aa2864044b9d13e95fe224f32e808afbf79ecdf"
        }
      ],
      "title": "drm/amd/display: Check link_index before accessing dc-\u003elinks[]",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-46813",
    "datePublished": "2024-09-27T12:35:55.786Z",
    "dateReserved": "2024-09-11T15:12:18.283Z",
    "dateUpdated": "2026-08-05T11:38:44.935Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}