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CVE-2024-36903— ipv6: Fix potential uninit-value access in __ip6_make_skb()

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 ipv6 模块 __ip6_make_skb 中潜在的未初始化值访问。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.24% · P14

Affected Version Matrix 25

VendorProduct Version RangeStatus
Linux Linux 605b056d63302ae84eb136e88d4df49124bd5e0d< 59d74c843ebf46264c7903726cf6f2673a93b07a affected
d65ff2fe877c471aa6e79efa7bd8ff66e147c317< 40e5444a3ac315b60e94d82226b73cd82145d09e affected
2c9cefc142c1dc2759e19a92d3b2b3715e985beb< a05c1ede50e9656f0752e523c7b54f3a3489e9a8 affected
ea30388baebcce37fd594d425a65037ca35e59e8< 68c8ba16ab712eb709c6bab80ff151079d11d97a affected
ea30388baebcce37fd594d425a65037ca35e59e8< 2367bf254f3a27ecc6e229afd7a8b0a1395f7be3 affected
ea30388baebcce37fd594d425a65037ca35e59e8< 4e13d3a9c25b7080f8a619f961e943fe08c2672c affected
165370522cc48127da564a08584a7391e6341908 affected
f394f690a30a5ec0413c62777a058eaf3d6e10d5 affected
… +17 more rows
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I. Basic Information for CVE-2024-36903

Vulnerability Information
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Vulnerability Title
ipv6: Fix potential uninit-value access in __ip6_make_skb()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix potential uninit-value access in __ip6_make_skb() As it was done in commit fc1092f51567 ("ipv4: Fix uninit-value access in __ip_make_skb()") for IPv4, check FLOWI_FLAG_KNOWN_NH on fl6->flowi6_flags instead of testing HDRINCL on the socket to avoid a race condition which causes uninit-value access.
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 ipv6 模块 __ip6_make_skb 中潜在的未初始化值访问。
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 605b056d63302ae84eb136e88d4df49124bd5e0d ~ 59d74c843ebf46264c7903726cf6f2673a93b07a -
Linux Linux 6.3 -

II. Public POCs for CVE-2024-36903

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III. Intelligence Information for CVE-2024-36903

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Other References for CVE-2024-36903 (3)

Same Patch Batch · Linux · 2024-05-30 · 93 CVEs total

CVE-2024-36958 9.8 CRITICAL NFSD: Fix nfsd4_encode_fattr4() crasher
CVE-2024-36886 9.8 CRITICAL tipc: fix UAF in error path
CVE-2024-36911 9.8 CRITICAL hv_netvsc: Don't free decrypted memory
CVE-2024-36912 9.6 CRITICAL Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl
CVE-2024-36913 9.3 CRITICAL Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails
CVE-2024-36909 9.3 CRITICAL Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted
CVE-2024-36922 8.8 HIGH wifi: iwlwifi: read txq->read_ptr under lock
CVE-2024-36921 8.8 HIGH wifi: iwlwifi: mvm: guard against invalid STA ID on removal
CVE-2024-36910 8.4 HIGH uio_hv_generic: Don't free decrypted memory
CVE-2024-36032 8.1 HIGH Bluetooth: qca: fix info leak when fetching fw build id
CVE-2024-36933 7.8 HIGH nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment().
CVE-2024-36904 7.8 HIGH tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().
CVE-2024-36914 7.8 HIGH drm/amd/display: Skip on writeback when it's not applicable
CVE-2024-36918 7.8 HIGH bpf: Check bloom filter map value size
CVE-2024-36018 7.8 HIGH nouveau/uvmm: fix addr/range calcs for remap operations
CVE-2024-36894 7.8 HIGH usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete
CVE-2024-36890 7.8 HIGH mm/slab: make __free(kfree) accept error pointers
CVE-2024-36940 7.8 HIGH pinctrl: core: delete incorrect free in pinctrl_enable()
CVE-2024-36928 7.8 HIGH s390/qeth: Fix kernel panic after setting hsuid
CVE-2024-36884 7.8 HIGH iommu/arm-smmu: Use the correct type in nvidia_smmu_context_fault()

Showing top 20 of 93 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-36903

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