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CVE-2024-53063— media: dvbdev: prevent the risk of out of memory access

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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，该漏洞源于允许越界访问内存。

CVSS 7.8 · High EPSS 0.28% · P19

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 5dd3f3071070f5a306bdf8d474c80062f5691cba< fedfde9deb83ac8d2f3d5f36f111023df34b1684 affected
5dd3f3071070f5a306bdf8d474c80062f5691cba< 3b88675e18b6517043a6f734eaa8ea6eb3bfa140 affected
5dd3f3071070f5a306bdf8d474c80062f5691cba< a4a17210c03ade1c8d9a9f193a105654b7a05c11 affected
5dd3f3071070f5a306bdf8d474c80062f5691cba< 5f76f7df14861e3a560898fa41979ec92424b58f affected
5dd3f3071070f5a306bdf8d474c80062f5691cba< b751a96025275c17f04083cbfe856822f1658946 affected
5dd3f3071070f5a306bdf8d474c80062f5691cba< 1e461672616b726f29261ee81bb991528818537c affected
5dd3f3071070f5a306bdf8d474c80062f5691cba< 9c17085fabbde2041c893d29599800f2d4992b23 affected
5dd3f3071070f5a306bdf8d474c80062f5691cba< 972e63e895abbe8aa1ccbdbb4e6362abda7cd457 affected
… +10 more rows
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I. Basic Information for CVE-2024-53063

Vulnerability Information
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Vulnerability Title
media: dvbdev: prevent the risk of out of memory access
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: prevent the risk of out of memory access The dvbdev contains a static variable used to store dvb minors. The behavior of it depends if CONFIG_DVB_DYNAMIC_MINORS is set or not. When not set, dvb_register_device() won't check for boundaries, as it will rely that a previous call to dvb_register_adapter() would already be enforcing it. On a similar way, dvb_device_open() uses the assumption that the register functions already did the needed checks. This can be fragile if some device ends using different calls. This also generate warnings on static check analysers like Coverity. So, add explicit guards to prevent potential risk of OOM issues.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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，该漏洞源于允许越界访问内存。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 5dd3f3071070f5a306bdf8d474c80062f5691cba ~ fedfde9deb83ac8d2f3d5f36f111023df34b1684 -
Linux Linux 2.6.29 -

II. Public POCs for CVE-2024-53063

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III. Intelligence Information for CVE-2024-53063

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Patches & Fixes for CVE-2024-53063 (8)

Same Patch Batch · Linux · 2024-11-19 · 88 CVEs total

CVE-2024-50283 9.8 CRITICAL ksmbd: fix slab-use-after-free in smb3_preauth_hash_rsp
CVE-2024-50276 9.8 CRITICAL net: vertexcom: mse102x: Fix possible double free of TX skb
CVE-2024-53066 9.8 CRITICAL nfs: Fix KMSAN warning in decode_getfattr_attrs()
CVE-2024-50286 9.8 CRITICAL ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create
CVE-2024-53058 9.4 CRITICAL net: stmmac: TSO: Fix unbalanced DMA map/unmap for non-paged SKB data
CVE-2024-53082 8.4 HIGH virtio_net: Add hash_key_length check
CVE-2024-50299 8.2 HIGH sctp: properly validate chunk size in sctp_sf_ootb()
CVE-2024-53057 7.8 HIGH net/sched: stop qdisc_tree_reduce_backlog on TC_H_ROOT
CVE-2024-50300 7.8 HIGH regulator: rtq2208: Fix uninitialized use of regulator_config
CVE-2024-50264 7.8 HIGH vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
CVE-2024-53044 7.8 HIGH net/sched: sch_api: fix xa_insert() error path in tcf_block_get_ext()
CVE-2024-53079 7.8 HIGH mm/thp: fix deferred split unqueue naming and locking
CVE-2024-53080 7.8 HIGH drm/panthor: Lock XArray when getting entries for the VM
CVE-2024-53088 7.8 HIGH i40e: fix race condition by adding filter's intermediate sync state
CVE-2024-53076 7.8 HIGH iio: gts-helper: Fix memory leaks for the error path of iio_gts_build_avail_scale_table()
CVE-2024-50301 7.8 HIGH security/keys: fix slab-out-of-bounds in key_task_permission
CVE-2024-50294 7.8 HIGH rxrpc: Fix missing locking causing hanging calls
CVE-2024-50293 7.8 HIGH net/smc: do not leave a dangling sk pointer in __smc_create()
CVE-2024-50291 7.8 HIGH media: dvb-core: add missing buffer index check
CVE-2024-50288 7.8 HIGH media: vivid: fix buffer overwrite when using > 32 buffers

Showing top 20 of 88 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-53063

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