CVE-2020-36777— media: dvbdev: Fix memory leak in dvb_media_device_free()
Affected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< 06854b943e0571ccbd7ad0a529babed1a98ff275 | affected |
0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< 32168ca1f123316848fffb85d059860adf3c409f | affected | ||
0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< cd89f79be5d553c78202f686e8e4caa5fbe94e98 | affected | ||
0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< 9185b3b1c143b8da409c19ac5a785aa18d67a81b | affected | ||
0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< 43263fd43083e412311fa764cd04a727b0c6a749 | affected | ||
0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< 9ad15e214fcd73694ea51967d86055f47b802066 | affected | ||
0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< cede24d13be6c2a62be6d7ceea63c2719b0cfa82 | affected | ||
0230d60e4661d9ced6fb0b9a30f182ebdafbba7a< bf9a40ae8d722f281a2721779595d6df1c33a0bf | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2020-36777
Vulnerability Information
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Vulnerability Title
media: dvbdev: Fix memory leak in dvb_media_device_free()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: Fix memory leak in dvb_media_device_free() dvb_media_device_free() is leaking memory. Free `dvbdev->adapter->conn` before setting it to NULL, as documented in include/media/media-device.h: "The media_entity instance itself must be freed explicitly by the driver if required."
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 dvb_media_device_free() 中的内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2020-36777
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-36777 (8)
Same Patch Batch · Linux · 2024-02-27 · 67 CVEs total
| CVE-2021-46951 | tpm: efi: Use local variable for calculating final log size | |
| CVE-2021-46971 | perf/core: Fix unconditional security_locked_down() call | |
| CVE-2021-46970 | bus: mhi: pci_generic: Remove WQ_MEM_RECLAIM flag from state workqueue | |
| CVE-2021-46969 | bus: mhi: core: Fix invalid error returning in mhi_queue | |
| CVE-2021-46957 | riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe | |
| CVE-2021-46956 | virtiofs: fix memory leak in virtio_fs_probe() | |
| CVE-2021-46955 | openvswitch: fix stack OOB read while fragmenting IPv4 packets | |
| CVE-2021-46954 | net/sched: sch_frag: fix stack OOB read while fragmenting IPv4 packets | |
| CVE-2021-46953 | ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure | |
| CVE-2021-46952 | NFS: fs_context: validate UDP retrans to prevent shift out-of-bounds | |
| CVE-2021-46958 | btrfs: fix race between transaction aborts and fsyncs leading to use-after-free | |
| CVE-2021-46950 | md/raid1: properly indicate failure when ending a failed write request | |
| CVE-2021-46949 | sfc: farch: fix TX queue lookup in TX flush done handling | |
| CVE-2021-46948 | sfc: farch: fix TX queue lookup in TX event handling | |
| CVE-2021-46947 | sfc: adjust efx->xdp_tx_queue_count with the real number of initialized queues | |
| CVE-2021-46945 | ext4: always panic when errors=panic is specified | |
| CVE-2021-46944 | media: staging/intel-ipu3: Fix memory leak in imu_fmt | |
| CVE-2021-46943 | media: staging/intel-ipu3: Fix set_fmt error handling | |
| CVE-2021-46942 | io_uring: fix shared sqpoll cancellation hangs | |
| CVE-2021-46941 | usb: dwc3: core: Do core softreset when switch mode |
Showing top 20 of 67 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-53366
ipv4: account for fraggap on the paged allocation path - CVE-2026-53365
vsock/virtio: fix zerocopy completion for multi-skb sends - CVE-2026-53364
Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate - CVE-2026-53363
xfrm: iptfs: preserve shared-frag marker in iptfs_consume_fr - CVE-2026-53362
ipv6: account for fraggap on the paged allocation path
Same vendor: Linux
- CVE-2026-53366
ipv4: account for fraggap on the paged allocation path - CVE-2026-53365
vsock/virtio: fix zerocopy completion for multi-skb sends - CVE-2026-53364
Bluetooth: hci_conn: Fix memory leak in hci_le_big_terminate - CVE-2026-53363
xfrm: iptfs: preserve shared-frag marker in iptfs_consume_fr - CVE-2026-53362
ipv6: account for fraggap on the paged allocation path
V. Comments for CVE-2020-36777
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