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CVE-2024-26673— netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations

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，该漏洞源于存在安全漏洞。

AI Predicted 7.5 Difficulty: Hard EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 857b46027d6f91150797295752581b7155b9d0e1< f549f340c91f08b938d60266e792ff7748dae483 affected
857b46027d6f91150797295752581b7155b9d0e1< 65ee90efc928410c6f73b3d2e0afdd762652c09d affected
857b46027d6f91150797295752581b7155b9d0e1< b775ced05489f4b77a35fe203e9aeb22f428e38f affected
857b46027d6f91150797295752581b7155b9d0e1< 0f501dae16b7099e69ee9b0d5c70b8f40fd30e98 affected
857b46027d6f91150797295752581b7155b9d0e1< cfe3550ea5df292c9e2d608e8c4560032391847e affected
857b46027d6f91150797295752581b7155b9d0e1< 38cc1605338d99205a263707f4dde76408d3e0e8 affected
857b46027d6f91150797295752581b7155b9d0e1< 8059918a1377f2f1fff06af4f5a4ed3d5acd6bc4 affected
5.3 affected
… +8 more rows
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I. Basic Information for CVE-2024-26673

Vulnerability Information
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Vulnerability Title
netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: sanitize layer 3 and 4 protocol number in custom expectations - Disallow families other than NFPROTO_{IPV4,IPV6,INET}. - Disallow layer 4 protocol with no ports, since destination port is a mandatory attribute for this object.
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，该漏洞源于存在安全漏洞。
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 857b46027d6f91150797295752581b7155b9d0e1 ~ f549f340c91f08b938d60266e792ff7748dae483 -
Linux Linux 5.3 -

II. Public POCs for CVE-2024-26673

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III. Intelligence Information for CVE-2024-26673

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Mailing List Discussions for CVE-2024-26673 (1)

Other References for CVE-2024-26673 (7)

Same Patch Batch · Linux · 2024-04-02 · 35 CVEs total

CVE-2024-26665 9.1 CRITICAL tunnels: fix out of bounds access when building IPv6 PMTU error
CVE-2023-52636 8.2 HIGH libceph: just wait for more data to be available on the socket
CVE-2024-26659 7.8 HIGH xhci: handle isoc Babble and Buffer Overrun events properly
CVE-2024-26656 7.8 HIGH drm/amdgpu: fix use-after-free bug
CVE-2024-26663 7.8 HIGH tipc: Check the bearer type before calling tipc_udp_nl_bearer_add()
CVE-2024-26664 7.8 HIGH hwmon: (coretemp) Fix out-of-bounds memory access
CVE-2024-26666 7.1 HIGH wifi: mac80211: fix RCU use in TDLS fast-xmit
CVE-2024-26660 7.0 HIGH drm/amd/display: Implement bounds check for stream encoder creation in DCN301
CVE-2024-26672 drm/amdgpu: Fix variable 'mca_funcs' dereferenced before NULL check in 'amdgpu_mca_smu_get
CVE-2023-52633 um: time-travel: fix time corruption
CVE-2024-26674 x86/lib: Revert to _ASM_EXTABLE_UA() for {get,put}_user() fixups
CVE-2024-26675 ppp_async: limit MRU to 64K
CVE-2024-26676 af_unix: Call kfree_skb() for dead unix_(sk)->oob_skb in GC.
CVE-2024-26677 rxrpc: Fix delayed ACKs to not set the reference serial number
CVE-2024-26678 x86/efistub: Use 1:1 file:memory mapping for PE/COFF .compat section
CVE-2024-26679 inet: read sk->sk_family once in inet_recv_error()
CVE-2024-26680 net: atlantic: Fix DMA mapping for PTP hwts ring
CVE-2024-26681 netdevsim: avoid potential loop in nsim_dev_trap_report_work()
CVE-2024-26682 wifi: mac80211: improve CSA/ECSA connection refusal
CVE-2024-26683 wifi: cfg80211: detect stuck ECSA element in probe resp

Showing top 20 of 35 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-26673

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