CVE-2024-26958 — Use After Free in Linux

CWE-416 — Use After Free32 documents7 sources
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 98.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedMay 1
Latest updateSep 18

Description

In the Linux kernel, the following vulnerability has been resolved: nfs: fix UAF in direct writes In production we have been hitting the following warning consistently ------------[ cut here ]------------ refcount_t: underflow; use-after-free. WARNING: CPU: 17 PID: 1800359 at lib/refcount.c:28 refcount_warn_saturate+0x9c/0xe0 Workqueue: nfsiod nfs_direct_write_schedule_work [nfs] RIP: 0010:refcount_warn_saturate+0x9c/0xe0 PKRU: 55555554 Call Trace: ? __warn+0x9f/0x130 ? refcount_warn_saturat…

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 Packages5 packages

▶NVDlinux/linux_kernel5.11 — 5.15.154+5
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-116.126+1
▶CVEListV5linux/linuxaf7cf057933f01dc7f33ddfb5e436ad598ed17ad — 6cd3f13aaa62970b5169d990e936b2e96943bc6a+8
▶debiandebian/linux< linux 6.1.85-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

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

🔴Vulnerability Details

15
OSV
linux-xilinx-zynqmp vulnerabilities↗2024-09-18
▶
OSV
linux-gcp-5.15 vulnerabilities↗2024-07-30
▶
OSV
linux-raspi vulnerabilities↗2024-07-26
▶
OSV
linux-azure, linux-azure-5.15, linux-azure-fde, linux-azure-fde-5.15 vulnerabilities↗2024-07-26
▶
OSV
linux-aws-5.15 vulnerabilities↗2024-07-23
▶

📋Vendor Advisories

15
Ubuntu
Linux kernel vulnerabilities↗2024-09-18
▶
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↗2024-07-23
▶

💬Community

1
Bugzilla
CVE-2024-26958 kernel: nfs: fix UAF in direct writes↗2024-05-01
▶