CVE-2024-44987 — Use After Free in Linux

CWE-416 — Use After Free47 documents8 sources
Severity
7.8HIGHNVD
OSV8.8OSV7.1OSV5.5
EPSS
0.0%
top 94.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
LinuxLinux KernelDebian Linux+9 more
Timeline
PublishedSep 4
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent UAF in ip6_send_skb() syzbot reported an UAF in ip6_send_skb() [1] After ip6_local_out() has returned, we no longer can safely dereference rt, unless we hold rcu_read_lock(). A similar issue has been fixed in commit a688caa34beb ("ipv6: take rcu lock in rawv6_send_hdrinc()") Another potential issue in ip6_finish_output2() is handled in a separate patch. [1] BUG: KASAN: slab-use-after-free in ip6_send_skb+0x18…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages14 packages

▶NVDlinux/linux_kernel2.6.32 — 4.19.321+7
▶Debianlinux/linux_kernel< 5.10.226-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-200.220+4

Patches

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

🔴Vulnerability Details

22
OSV
linux-azure, linux-azure-6.8 vulnerabilities↗2025-01-09
▶
OSV
linux-azure-5.15 vulnerabilities↗2025-01-09
▶
OSV
linux-hwe-6.8 vulnerabilities↗2025-01-06
▶
OSV
linux-gkeop vulnerabilities↗2024-12-12
▶
OSV
linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency vulnerabilities↗2024-12-12
▶

📋Vendor Advisories

24
CISA ICS
Siemens Third-Party Components in SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2025-01-09
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2025-01-06
▶
Ubuntu
Linux kernel (GKE) vulnerabilities↗2024-12-12
▶
CVE-2024-44987 — Use After Free in Linux | cvebase