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CVE-2024-42097— ALSA: emux: improve patch ioctl data validation

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，该漏洞源于在load_data函数中，对主信息块的验证和跳过与load_guspatch函数中的不匹配。

CVSS 7.8 · High EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 40d7def67841343c10f8642a41031fecbb248bab affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 79d9a000f0220cdaba1682d2a23c0d0c61d620a3 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< d23982ea9aa438f35a8c8a6305943e98a8db90f6 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 7a18293fd8d8519c2f7a03753bc1583b18e3db69 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< d0ff2443fcbb472206d45a5d2a90cc694065804e affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< d8f5ce3cb9adf0c72e2ad6089aba02d7a32469c2 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 87039b83fb7bfd7d0e0499aaa8e6c049906b4d14 affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 89b32ccb12ae67e630c6453d778ec30a592a212f affected
… +10 more rows
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I. Basic Information for CVE-2024-42097

Vulnerability Information
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Vulnerability Title
ALSA: emux: improve patch ioctl data validation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: emux: improve patch ioctl data validation In load_data(), make the validation of and skipping over the main info block match that in load_guspatch(). In load_guspatch(), add checking that the specified patch length matches the actually supplied data, like load_data() already did.
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，该漏洞源于在load_data函数中，对主信息块的验证和跳过与load_guspatch函数中的不匹配。
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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ 40d7def67841343c10f8642a41031fecbb248bab -
Linux Linux 2.6.12 -

II. Public POCs for CVE-2024-42097

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III. Intelligence Information for CVE-2024-42097

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Patches & Fixes for CVE-2024-42097 (1)

Other References for CVE-2024-42097 (5)

Same Patch Batch · Linux · 2024-07-29 · 121 CVEs total

CVE-2024-41081 9.8 CRITICAL ila: block BH in ila_output()
CVE-2024-41073 9.8 CRITICAL nvme: avoid double free special payload
CVE-2024-41040 9.8 CRITICAL net/sched: Fix UAF when resolving a clash
CVE-2024-41091 8.8 HIGH tun: add missing verification for short frame
CVE-2024-42083 8.8 HIGH ionic: fix kernel panic due to multi-buffer handling
CVE-2024-41062 8.8 HIGH bluetooth/l2cap: sync sock recv cb and release
CVE-2024-41046 8.8 HIGH net: ethernet: lantiq_etop: fix double free in detach
CVE-2024-41090 8.8 HIGH tap: add missing verification for short frame
CVE-2024-41057 7.8 HIGH cachefiles: fix slab-use-after-free in cachefiles_withdraw_cookie()
CVE-2024-41041 7.8 HIGH udp: Set SOCK_RCU_FREE earlier in udp_lib_get_port().
CVE-2024-41045 7.8 HIGH bpf: Defer work in bpf_timer_cancel_and_free
CVE-2024-41017 7.8 HIGH jfs: don't walk off the end of ealist
CVE-2024-41049 7.8 HIGH filelock: fix potential use-after-free in posix_lock_inode
CVE-2024-42067 7.8 HIGH bpf: Take return from set_memory_rox() into account with bpf_jit_binary_lock_ro()
CVE-2024-41051 7.8 HIGH cachefiles: wait for ondemand_object_worker to finish when dropping object
CVE-2024-42068 7.8 HIGH bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()
CVE-2024-42069 7.8 HIGH net: mana: Fix possible double free in error handling path
CVE-2024-41075 7.8 HIGH cachefiles: add consistency check for copen/cread
CVE-2024-41070 7.8 HIGH KVM: PPC: Book3S HV: Prevent UAF in kvm_spapr_tce_attach_iommu_group()
CVE-2024-42071 7.8 HIGH ionic: use dev_consume_skb_any outside of napi

Showing top 20 of 121 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-42097

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