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Vulnerabilities

Vulnerability · CVE-2026-23183

In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered: BUG: kernel NULL pointer dere

Published Feb 14, 2026 · catalog updated May 11, 2026 · Linux Linux

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-23183. EPSS is 0.18%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
None0.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Version ranges on file
Affected products
vendor Linux Linux b168ed458ddecc176f3b9a1f4bcd83d7a4541c14 <43151f812886be1855d2cba059f9c93e4729460b

In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered: BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 15 UID: 0 PID: 658 Comm: bash Tainted: 6.19.0-rc6-next-2026012 Tainted: [O]=OOT_MODULE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), RIP: 0010:strcmp+0x10/0x30 RSP: 0018:ffffc900017f7dc0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux b168ed458ddecc176f3b9a1f4bcd83d7a4541c14 <43151f812886be1855d2cba059f9c93e4729460bb168ed458ddecc176f3b9a1f4bcd83d7a4541c14 <43151f812886be1855d2cba059f9c93e4729460b

How to fix CVE-2026-23183

  • Upgrade

    CVE-2026-23183 lists a fix boundary at 43151f812886be1855d2cba059f9c93e4729460b. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in b168ed458ddecc176f3b9a1f4bcd83d7a4541c14 <43151f812886be1855d2cba059f9c93e4729460b

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-23183. EPSS is 0.18%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux b168ed458ddecc176f3b9a1f4bcd83d7a4541c14 <43151f812886be1855d2cba059f9c93e4729460b b168ed458ddecc176f3b9a1f4bcd83d7a4541c14 <43151f812886be1855d2cba059f9c93e4729460b. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 14, 2026 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered: BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 15 UID: 0 PID: 658 Comm: bash Tainted: 6.19.0-rc6-

  2. May 11, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered: BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: Oops: 0000 [#1] SMP NOPTI CPU: 15 UID: 0 PID: 658 Comm: bash Tainted: 6.19.0-rc6-

Sources

  • CVE.orgVulnerability recordCVE-2026-23183

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-23183

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2026-5857

    In the Linux kernel, the following vulnerability has been resolved: cgroup/dmem: fix NULL pointer dereference when setting max An issue was triggered: BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 8, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 8, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026