CVE-2024-47685 — Use of Uninitialized Resource in Linux

CWE-908 — Use of Uninitialized Resource88 documents8 sources
Severity
9.1CRITICALNVD
OSV8.8OSV6.7OSV6.3OSV5.5OSV4.7
EPSS
0.1%
top 77.10%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
13
LinuxLinux KernelDebian Linux+10 more
Timeline
PublishedOct 21
Latest updateNov 19

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_reject_ipv6: fix nf_reject_ip6_tcphdr_put() syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1) Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put() BUG: KMSAN: uninit-value in nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_reject_ipv6.c:255 nf_reject_ip6_tcphdr_put+0x688/0x6c0 net/ipv6/netfilter/nf_r…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2

Affected Packages14 packages

▶NVDlinux/linux_kernel3.18 — 4.19.323+7
▶Debianlinux/linux_kernel< 5.10.234-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-208.228+5

Also affects: Debian Linux 11.0

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

42
OSV
linux-oracle vulnerabilities↗2025-11-19
▶
OSV
linux-aws-fips vulnerabilities↗2025-09-24
▶
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities↗2025-09-17
▶
OSV
linux-fips, linux-azure-fips, linux-gcp-fips vulnerabilities↗2025-09-17
▶
OSV
linux-aws vulnerabilities↗2025-09-02
▶

📋Vendor Advisories

45
Ubuntu
Linux kernel (Oracle) vulnerabilities↗2025-11-19
▶
Ubuntu
Kernel Live Patch Security Notice↗2025-10-08
▶
Ubuntu
Linux kernel (AWS FIPS) vulnerabilities↗2025-09-24
▶
Ubuntu
Linux kernel vulnerabilities↗2025-09-17
▶
Ubuntu
Linux kernel (FIPS) vulnerabilities↗2025-09-17
▶
CVE-2024-47685 — Use of Uninitialized Resource in Linux | cvebase