CVE-2024-26804 — Use After Free in Linux

CWE-416 — Use After Free30 documents8 sources
Severity
5.3MEDIUMNVD
OSV7.8OSV7.0OSV6.5OSV5.5
EPSS
0.3%
top 42.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedApr 4
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: net: ip_tunnel: prevent perpetual headroom growth syzkaller triggered following kasan splat: BUG: KASAN: use-after-free in __skb_flow_dissect+0x19d1/0x7a50 net/core/flow_dissector.c:1170 Read of size 1 at addr ffff88812fb4000e by task syz-executor183/5191 [..] kasan_report+0xda/0x110 mm/kasan/report.c:588 __skb_flow_dissect+0x19d1/0x7a50 net/core/flow_dissector.c:1170 skb_flow_dissect_flow_keys include/linux/skbuff.h:1514 [inl…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages5 packages

▶NVDlinux/linux_kernel2.6.34 — 5.4.271+6
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-186.206+1
▶CVEListV5linux/linux243aad830e8a4cdda261626fbaeddde16b08d04a — f81e94d2dcd2397137edcb8b85f4c5bed5d22383+8
▶debiandebian/linux< linux 6.1.82-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

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

🔴Vulnerability Details

14
OSV
linux-raspi vulnerabilities↗2024-07-26
▶
OSV
linux-ibm-5.15 vulnerabilities↗2024-07-10
▶
OSV
linux-hwe-5.15 vulnerabilities↗2024-07-04
▶
OSV
linux-bluefield, linux-iot vulnerabilities↗2024-07-03
▶
OSV
linux-azure, linux-azure-fde vulnerabilities↗2024-06-14
▶

📋Vendor Advisories

14
CISA ICS
Siemens SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-26
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2024-07-10
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2024-07-04
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-06-14
▶

💬Community

1
Bugzilla
CVE-2024-26804 kernel: net: ip_tunnel: prevent perpetual headroom growth↗2024-04-04
▶