CVE-2024-26924 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer DereferenceCWE-402 — Resource Leak46 documents7 sources
Severity
5.9MEDIUMNVD
OSV7.5OSV7.0OSV5.5
EPSS
0.2%
top 61.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedApr 25
Latest updateJul 30

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: do not free live element Pablo reports a crash with large batches of elements with a back-to-back add/remove pattern. Quoting Pablo: add_elem("00000000") timeout 100 ms ... add_elem("0000000X") timeout 100 ms del_elem("0000000X") <---------------- delete one that was just added ... add_elem("00005000") timeout 100 ms 1) nft_pipapo_remove() removes element 0000000X Then, KASAN shows a splat. Lookin…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6

Affected Packages5 packages

▶NVDlinux/linux_kernel5.6 — 5.10.216+5
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-113.123+6
▶CVEListV5linux/linux3c4287f62044a90e73a561aa05fc46e62da173da — e3b887a9c11caf8357a821260e095f2a694a34f2+6
▶debiandebian/linux< linux 6.1.90-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

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

🔴Vulnerability Details

22
OSV
linux-gcp-5.15 vulnerabilities↗2024-07-30
▶
OSV
linux-raspi vulnerabilities↗2024-07-26
▶
OSV
linux-oracle vulnerabilities↗2024-07-26
▶
OSV
linux-hwe-6.5 vulnerabilities↗2024-07-17
▶
OSV
Kernel Live Patch Security Notice↗2024-07-16
▶

📋Vendor Advisories

22
Ubuntu
Linux kernel vulnerabilities↗2024-07-30
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-26
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-26
▶
Ubuntu
Linux kernel vulnerabilities↗2024-07-17
▶
Ubuntu
Kernel Live Patch Security Notice↗2024-07-16
▶

💬Community

1
Bugzilla
CVE-2024-26924 kernel: netfilter: nft_set_pipapo: do not free live element↗2024-04-25
▶