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CVE-2025-68724— crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id

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，该漏洞源于未防止整数溢出，可能导致缓冲区溢出。

CVSS 7.8 · High EPSS 0.14% · P3

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< 60a7be5ee74408147e439164ac067e418ca74bb4 affected
7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< c13c6e9de91d7f1dd7df756b1fa5a1f968839d76 affected
7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< dfc1613961828745165aec6552c3818fa14ab725 affected
7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< 5b8ac617c8dab5cad3c4dc8d84d0987808a0f99c affected
7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< c73be4f51eed98fa0c7c189db8f279e1c86bfbf7 affected
7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< 6af753ac5205115e6c310c8c4236c01b59a1c44f affected
7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< b7090a5c153105b9fd221a5a81459ee8cd5babd6 affected
7901c1a8effbe5f89673bfc09d6e37b8f334f1a7< df0845cf447ae1556c3440b8b155de0926cbaa56 affected
… +10 more rows
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I. Basic Information for CVE-2025-68724

Vulnerability Information
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Vulnerability Title
crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id Use check_add_overflow() to guard against potential integer overflows when adding the binary blob lengths and the size of an asymmetric_key_id structure and return ERR_PTR(-EOVERFLOW) accordingly. This prevents a possible buffer overflow when copying data from potentially malicious X.509 certificate fields that can be arbitrarily large, such as ASN.1 INTEGER serial numbers, issuer names, etc.
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，该漏洞源于未防止整数溢出，可能导致缓冲区溢出。
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 7901c1a8effbe5f89673bfc09d6e37b8f334f1a7 ~ 60a7be5ee74408147e439164ac067e418ca74bb4 -
Linux Linux 3.18 -

II. Public POCs for CVE-2025-68724

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III. Intelligence Information for CVE-2025-68724

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Other References for CVE-2025-68724 (3)

Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total

CVE-2023-54076 9.8 CRITICAL smb: client: fix missed ses refcounting
CVE-2022-50717 9.8 CRITICAL nvmet-tcp: add bounds check on Transfer Tag
CVE-2025-68745 9.8 CRITICAL scsi: qla2xxx: Clear cmds after chip reset
CVE-2025-68741 9.8 CRITICAL scsi: qla2xxx: Fix improper freeing of purex item
CVE-2023-54090 9.8 CRITICAL ixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2023-54094 9.8 CRITICAL net: prevent skb corruption on frag list segmentation
CVE-2023-53867 9.8 CRITICAL ceph: fix potential use-after-free bug when trimming caps
CVE-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2025-68726 9.8 CRITICAL crypto: aead - Fix reqsize handling
CVE-2023-53996 9.3 CRITICAL x86/sev: Make enc_dec_hypercall() accept a size instead of npages
CVE-2023-54071 8.8 HIGH wifi: rtw88: use work to update rate to avoid RCU warning
CVE-2023-54060 8.8 HIGH iommufd: Set end correctly when doing batch carry
CVE-2023-54043 8.8 HIGH iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
CVE-2022-50732 8.8 HIGH staging: rtl8192u: Fix use after free in ieee80211_rx()
CVE-2025-68736 8.8 HIGH landlock: Fix handling of disconnected directories
CVE-2023-54040 8.8 HIGH ice: fix wrong fallback logic for FDIR
CVE-2023-54092 8.8 HIGH KVM: s390: pv: fix index value of replaced ASCE
CVE-2023-54120 8.8 HIGH Bluetooth: Fix race condition in hidp_session_thread
CVE-2023-53986 8.6 HIGH mips: bmips: BCM6358: disable RAC flush for TP1
CVE-2022-50746 8.4 HIGH erofs: validate the extent length for uncompressed pclusters

Showing top 20 of 322 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-68724

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