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CVE-2024-46715— driver: iio: add missing checks on iio_info's callback 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，该漏洞源于空指针取消引用。

AI Predicted 6.5 Difficulty: Moderate EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 51239600074bc9979b0a0e83b72c726d7dcc3132< 2b961d5786b4b31c367c719a2f918569b444c007 affected
51239600074bc9979b0a0e83b72c726d7dcc3132< 0cc7e0ee31e5c44904e98e2229d591e093282a70 affected
51239600074bc9979b0a0e83b72c726d7dcc3132< 72f022ebb9deac28663fa4c04ba315ed5d6654d1 affected
51239600074bc9979b0a0e83b72c726d7dcc3132< dc537a72f64890d883d24ae4ac58733fc5bc523d affected
51239600074bc9979b0a0e83b72c726d7dcc3132< c4ec8dedca961db056ec85cb7ca8c9f7e2e92252 affected
4.10 affected
< 4.10 unaffected
5.15.203≤ 5.15.* unaffected
… +4 more rows
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I. Basic Information for CVE-2024-46715

Vulnerability Information
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Vulnerability Title
driver: iio: add missing checks on iio_info's callback access
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: driver: iio: add missing checks on iio_info's callback access Some callbacks from iio_info structure are accessed without any check, so if a driver doesn't implement them trying to access the corresponding sysfs entries produce a kernel oops such as: [ 2203.527791] Unable to handle kernel NULL pointer dereference at virtual address 00000000 when execute [...] [ 2203.783416] Call trace: [ 2203.783429] iio_read_channel_info_avail from dev_attr_show+0x18/0x48 [ 2203.789807] dev_attr_show from sysfs_kf_seq_show+0x90/0x120 [ 2203.794181] sysfs_kf_seq_show from seq_read_iter+0xd0/0x4e4 [ 2203.798555] seq_read_iter from vfs_read+0x238/0x2a0 [ 2203.802236] vfs_read from ksys_read+0xa4/0xd4 [ 2203.805385] ksys_read from ret_fast_syscall+0x0/0x54 [ 2203.809135] Exception stack(0xe0badfa8 to 0xe0badff0) [ 2203.812880] dfa0: 00000003 b6f10f80 00000003 b6eab000 00020000 00000000 [ 2203.819746] dfc0: 00000003 b6f10f80 7ff00000 00000003 00000003 00000000 00020000 00000000 [ 2203.826619] dfe0: b6e1bc88 bed80958 b6e1bc94 b6e1bcb0 [ 2203.830363] Code: bad PC value [ 2203.832695] ---[ end trace 0000000000000000 ]---
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，该漏洞源于空指针取消引用。
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 51239600074bc9979b0a0e83b72c726d7dcc3132 ~ 2b961d5786b4b31c367c719a2f918569b444c007 -
Linux Linux 4.10 -

II. Public POCs for CVE-2024-46715

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III. Intelligence Information for CVE-2024-46715

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Patches & Fixes for CVE-2024-46715 (1)

Same Patch Batch · Linux · 2024-09-18 · 85 CVEs total

CVE-2024-46717 9.8 CRITICAL net/mlx5e: SHAMPO, Fix incorrect page release
CVE-2024-46736 9.8 CRITICAL smb: client: fix double put of @cfile in smb2_rename_path()
CVE-2024-46796 9.8 CRITICAL smb: client: fix double put of @cfile in smb2_set_path_size()
CVE-2024-46755 8.8 HIGH wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()
CVE-2024-46716 7.8 HIGH dmaengine: altera-msgdma: properly free descriptor in msgdma_free_descriptor
CVE-2024-46777 7.8 HIGH udf: Avoid excessive partition lengths
CVE-2024-46781 7.8 HIGH nilfs2: fix missing cleanup on rollforward recovery error
CVE-2024-46792 7.8 HIGH riscv: misaligned: Restrict user access to kernel memory
CVE-2024-46798 7.8 HIGH ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object
CVE-2024-46800 7.8 HIGH sch/netem: fix use after free in netem_dequeue
CVE-2024-46801 7.8 HIGH libfs: fix get_stashed_dentry()
CVE-2024-46788 7.8 HIGH tracing/osnoise: Use a cpumask to know what threads are kthreads
CVE-2024-46765 7.8 HIGH ice: protect XDP configuration with a mutex
CVE-2024-46762 7.8 HIGH xen: privcmd: Fix possible access to a freed kirqfd instance
CVE-2024-46754 7.8 HIGH bpf: Remove tst_run from lwt_seg6local_prog_ops.
CVE-2024-46751 7.8 HIGH btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info()
CVE-2024-46750 7.8 HIGH PCI: Add missing bridge lock to pci_bus_lock()
CVE-2024-46746 7.8 HIGH HID: amd_sfh: free driver_data after destroying hid device
CVE-2024-46740 7.8 HIGH binder: fix UAF caused by offsets overwrite
CVE-2024-46741 7.8 HIGH misc: fastrpc: Fix double free of 'buf' in error path

Showing top 20 of 85 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-46715

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