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CVE-2024-56681— crypto: bcm - add error check in the ahash_hmac_init function

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crypto:bcm模块中ahash_hmac_init函数中错误检查不足。

CVSS 7.8 · High EPSS 0.24% · P14

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< 8f1a9a960b1107bd0e0ec3736055f5ed0e717edf affected
9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< 75e1e38e5d80d6d9011b7322698ffba3dd3db30a affected
9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< 28f8ffa945f7d7150463e15097ea73b19529d6f5 affected
9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< 4ea3e3b761e371102bb1486778e2f8dbc9e37413 affected
9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< 05f0a3f5477ecaa1cf46448504afe9e7c2e96fcc affected
9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< ae5253313e0ea5f00c06176074592b7f493c8546 affected
9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< ee36db8e8203420e6d5c42eb9428920c2fc36532 affected
9d12ba86f818aa9cfe9f01b750336aa441f2ffa2< bba9e38c5ad41d0a88b22a59e5b6dd3e31825118 affected
… +12 more rows
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I. Basic Information for CVE-2024-56681

Vulnerability Information
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Vulnerability Title
crypto: bcm - add error check in the ahash_hmac_init function
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: bcm - add error check in the ahash_hmac_init function The ahash_init functions may return fails. The ahash_hmac_init should not return ok when ahash_init returns error. For an example, ahash_init will return -ENOMEM when allocation memory is error.
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crypto:bcm模块中ahash_hmac_init函数中错误检查不足。
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 9d12ba86f818aa9cfe9f01b750336aa441f2ffa2 ~ 8f1a9a960b1107bd0e0ec3736055f5ed0e717edf -
Linux Linux 4.11 -

II. Public POCs for CVE-2024-56681

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III. Intelligence Information for CVE-2024-56681

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Patches & Fixes for CVE-2024-56681 (9)

Same Patch Batch · Linux · 2024-12-28 · 32 CVEs total

CVE-2024-56704 8.4 HIGH 9p/xen: fix release of IRQ
CVE-2024-56684 8.4 HIGH mailbox: mtk-cmdq: fix wrong use of sizeof in cmdq_get_clocks()
CVE-2024-56677 7.8 HIGH powerpc/fadump: Move fadump_cma_init to setup_arch() after initmem_init()
CVE-2024-56706 7.8 HIGH s390/cpum_sf: Fix and protect memory allocation of SDBs with mutex
CVE-2024-56692 7.8 HIGH f2fs: fix to do sanity check on node blkaddr in truncate_node()
CVE-2024-56693 7.8 HIGH brd: defer automatic disk creation until module initialization succeeds
CVE-2024-56688 7.5 HIGH sunrpc: clear XPRT_SOCK_UPD_TIMEOUT when reset transport
CVE-2024-56703 7.5 HIGH ipv6: Fix soft lockups in fib6_select_path under high next hop churn
CVE-2024-56694 7.5 HIGH bpf: fix recursive lock when verdict program return SK_PASS
CVE-2024-56696 ALSA: core: Fix possible NULL dereference caused by kunit_kzalloc()
CVE-2024-56708 EDAC/igen6: Avoid segmentation fault on module unload
CVE-2024-56707 octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_dmac_flt.c
CVE-2024-56705 media: atomisp: Add check for rgby_data memory allocation failure
CVE-2024-56676 thermal: testing: Initialize some variables annoteded with _free()
CVE-2024-56678 powerpc/mm/fault: Fix kfence page fault reporting
CVE-2024-56701 powerpc/pseries: Fix dtl_access_lock to be a rw_semaphore
CVE-2024-56702 bpf: Mark raw_tp arguments with PTR_MAYBE_NULL
CVE-2024-56700 media: wl128x: Fix atomicity violation in fmc_send_cmd()
CVE-2024-56699 s390/pci: Fix potential double remove of hotplug slot
CVE-2024-56698 usb: dwc3: gadget: Fix looping of queued SG entries

Showing top 20 of 32 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56681

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