CVE-2026-98059: In the Linux kernel, the following vulnerability has been resolved: bpf: Mark sched_process_wait argument as

Q: How do I fix CVE-2026-98059?

linux kernel: upgrade to 6.12.111, 6.18.53, 7.2.7. Exact commands for each OS are on this page.

Q: Is CVE-2026-98059 being exploited?

CVE-2026-98059 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-98059 affect?

CVE-2026-98059 affects linux kernel. Severity is medium (CVSS 5.5). In the Linux kernel, the following vulnerability has been resolved: bpf: Mark sched_process_wait argument as nullable do_wait() passes wo->wo_pid to the sched_process_wait tracepoint. kernel_wait4() leaves wo_pid NULL for wait4(-1), and k

Routine

MEDIUM 5.5WATCHLISTUPGRADE

CVE-2026-98059 is a medium-severity flaw (CVSS 5.5) affecting linux kernel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark sched_process_wait argument as nullable do_wait() passes wo->wo_pid to the sched_process_wait tracepoint. kernel_wait4() leaves wo_pid NULL for wait4(-1), and kernel_waitid_prepare() does likewise for waitid(P_ALL). btf_ctx_access() currently types argument 0 as PTR_TO_BTF_ID | PTR_TRUSTED. Without PTR_MAYBE_NULL, the verifier accepts an unchecked dereference. Truste

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-476
Published	2026-09-25
Last modified	2026-10-29

Publisher (CNA): kernel.org · Vendor: linux

Last updated 2026-10-29 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-25 11:17 UTCPublished CVE record published
2026-10-29 17:56 UTCUpdated Record last modified

linux linux kernel UPGRADE

Affected: >= 6.12.6 and < 6.12.111 · >= 6.13.1 and < 6.18.53 · >= 6.19 and < 7.2.7 · 6.13 · 6.13 rc3 · 6.13 rc4 · 6.13 rc5 · 6.13 rc6

Fixed in: 6.12.111, 6.18.53, 7.2.7

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-98059?

linux kernel: upgrade to 6.12.111, 6.18.53, 7.2.7. Exact commands for each OS are on this page.

Is CVE-2026-98059 being exploited?

CVE-2026-98059 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-98059 affect?

CVE-2026-98059 affects linux kernel. Severity is medium (CVSS 5.5). In the Linux kernel, the following vulnerability has been resolved: bpf: Mark sched_process_wait argument as nullable do_wait() passes wo->wo_pid to the sched_process_wait tracepoint. kernel_wait4() leaves wo_pid NULL for wait4(-1), and k

How urgent is CVE-2026-98059?

Priority 26/100. On your watchlist

Software pages

Linux kernel vulnerabilities

Related CVEs

CVE-2026-63889 HIGH 8.1 UPGRADE In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_transport_fc: Widen FPIN pname
CVE-2026-46300 HIGH 7.8 EXPLOITED UPGRADE UPGRADE Linux Kernel Missing Initialization of a Variable Vulnerability
CVE-2026-64024 CRITICAL 9.4 UPGRADE In the Linux kernel, the following vulnerability has been resolved: tcp: fix stale per-CPU tcp_tw_isn leak en
CVE-2024-0340 MEDIUM 4.4 UPGRADE A vulnerability was found in vhost_new_msg in drivers/vhost/vhost.c in the Linux kernel, which does not proper
CVE-2023-53676 HIGH 8.8 UPGRADE In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix buffer overflow

References

← Back to latest CVEs