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CVE-2024-35966— Bluetooth: RFCOMM: Fix not validating setsockopt user input

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，该漏洞源于不验证用户输入。

AI Predicted 7.8 Difficulty: Easy EPSS 0.26% · P17

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux bb23c0ab824653be4aa7dfca15b07b3059717004< d072ea24748189cd8f4a9c3f585ca9af073a0838 affected
bb23c0ab824653be4aa7dfca15b07b3059717004< 00767fbd67af70d7a550caa5b12d9515fa978bab affected
bb23c0ab824653be4aa7dfca15b07b3059717004< eea40d33bf936a5c7fb03c190e61e0cfee00e872 affected
bb23c0ab824653be4aa7dfca15b07b3059717004< 4ea65e2095e9bd151d0469328dd7fc2858feb546 affected
bb23c0ab824653be4aa7dfca15b07b3059717004< c3f787a3eafe519c93df9abbb0ca5145861c8d0f affected
bb23c0ab824653be4aa7dfca15b07b3059717004< a97de7bff13b1cc825c1b1344eaed8d6c2d3e695 affected
2.6.30 affected
< 2.6.30 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-35966

Vulnerability Information
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Vulnerability Title
Bluetooth: RFCOMM: Fix not validating setsockopt user input
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix not validating setsockopt user input syzbot reported rfcomm_sock_setsockopt_old() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old net/bluetooth/rfcomm/sock.c:632 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70 net/bluetooth/rfcomm/sock.c:673 Read of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于不验证用户输入。
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 bb23c0ab824653be4aa7dfca15b07b3059717004 ~ d072ea24748189cd8f4a9c3f585ca9af073a0838 -
Linux Linux 2.6.30 -

II. Public POCs for CVE-2024-35966

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III. Intelligence Information for CVE-2024-35966

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Patches & Fixes for CVE-2024-35966 (3)

Other References for CVE-2024-35966 (3)

Same Patch Batch · Linux · 2024-05-20 · 62 CVEs total

CVE-2024-35969 8.8 HIGH ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr
CVE-2024-35980 8.4 HIGH arm64: tlb: Fix TLBI RANGE operand
CVE-2024-35987 8.4 HIGH riscv: Fix loading 64-bit NOMMU kernels past the start of RAM
CVE-2024-35993 7.8 HIGH mm: turn folio_test_hugetlb into a PageType
CVE-2024-36001 7.8 HIGH netfs: Fix the pre-flush when appending to a file in writethrough mode
CVE-2024-36007 7.8 HIGH mlxsw: spectrum_acl_tcam: Fix warning during rehash
CVE-2024-35954 7.8 HIGH scsi: sg: Avoid sg device teardown race
CVE-2024-35949 7.8 HIGH btrfs: make sure that WRITTEN is set on all metadata blocks
CVE-2024-35950 7.8 HIGH drm/client: Fully protect modes[] with dev->mode_config.mutex
CVE-2024-35951 7.8 HIGH drm/panfrost: Fix the error path in panfrost_mmu_map_fault_addr()
CVE-2024-35948 7.8 HIGH bcachefs: Check for journal entries overruning end of sb clean section
CVE-2024-35994 7.8 HIGH firmware: qcom: uefisecapp: Fix memory related IO errors and crashes
CVE-2024-35990 7.8 HIGH dma: xilinx_dpdma: Fix locking
CVE-2024-35958 7.8 HIGH net: ena: Fix incorrect descriptor free behavior
CVE-2024-35968 7.8 HIGH pds_core: Fix pdsc_check_pci_health function to use work thread
CVE-2024-36009 7.8 HIGH ax25: Fix netdev refcount issue
CVE-2024-35979 7.8 HIGH raid1: fix use-after-free for original bio in raid1_write_request()
CVE-2024-35998 7.5 HIGH smb3: fix lock ordering potential deadlock in cifs_sync_mid_result
CVE-2024-35999 7.5 HIGH smb3: missing lock when picking channel
CVE-2024-35971 7.5 HIGH net: ks8851: Handle softirqs at the end of IRQ thread to fix hang

Showing top 20 of 62 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-35966

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