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CVE-2024-39489— ipv6: sr: fix memleak in seg6_hmac_init_algo

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seg6_hmac_init_algo存在内存泄漏问题。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bf355b8d2c30a289232042cacc1cfaea4923936c< afd5730969aec960a2fee4e5ee839a6014643976 affected
bf355b8d2c30a289232042cacc1cfaea4923936c< 4a3fcf53725b70010d1cf869a2ba549fed6b8fb3 affected
bf355b8d2c30a289232042cacc1cfaea4923936c< daf341e0a2318b813427d5a78788c86f4a7f02be affected
bf355b8d2c30a289232042cacc1cfaea4923936c< 61d31ac85b4572d11f8071855c0ccb4f32d76c0c affected
bf355b8d2c30a289232042cacc1cfaea4923936c< 599a5654215092ac22bfc453f4fd3959c55ea821 affected
bf355b8d2c30a289232042cacc1cfaea4923936c< 0e44d6cbe8de983470c3d2f978649783384fdcb6 affected
bf355b8d2c30a289232042cacc1cfaea4923936c< f6a99ef4e056c20a138a95cc51332b2b96c8f383 affected
bf355b8d2c30a289232042cacc1cfaea4923936c< efb9f4f19f8e37fde43dfecebc80292d179f56c6 affected
… +10 more rows
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I. Basic Information for CVE-2024-39489

Vulnerability Information
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Vulnerability Title
ipv6: sr: fix memleak in seg6_hmac_init_algo
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix memleak in seg6_hmac_init_algo seg6_hmac_init_algo returns without cleaning up the previous allocations if one fails, so it's going to leak all that memory and the crypto tfms. Update seg6_hmac_exit to only free the memory when allocated, so we can reuse the code directly.
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seg6_hmac_init_algo存在内存泄漏问题。
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 bf355b8d2c30a289232042cacc1cfaea4923936c ~ afd5730969aec960a2fee4e5ee839a6014643976 -
Linux Linux 4.10 -

II. Public POCs for CVE-2024-39489

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III. Intelligence Information for CVE-2024-39489

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Other References for CVE-2024-39489 (8)

Same Patch Batch · Linux · 2024-07-10 · 6 CVEs total

CVE-2024-39493 crypto: qat - Fix ADF_DEV_RESET_SYNC memory leak
CVE-2024-39492 mailbox: mtk-cmdq: Fix pm_runtime_get_sync() warning in mbox shutdown
CVE-2024-39491 ALSA: hda: cs35l56: Fix lifetime of cs_dsp instance
CVE-2024-39490 ipv6: sr: fix missing sk_buff release in seg6_input_core
CVE-2024-39488 arm64: asm-bug: Add .align 2 to the end of __BUG_ENTRY

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-39489

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