Read the docs
TI-2019-07463 Aliases CVE-2019-10140GHSA-cqfm-vfh2-jprp

NULL pointer dereference in OpenSource kernel:

Priority LOW 25CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 10 fixed, 1 without a fix

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

A vulnerability was found in Linux kernel's, versions up to 3.10, implementation of overlayfs. An attacker with local access can create a denial of service situation via NULL pointer dereference in ovl_posix_acl_create function in fs/overlayfs/dir.c. This can allow attackers with ability to create directories on overlayfs to crash the kernel creating a denial of service (DOS).

Why it matters now

EPSS 0.0032 25th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 10 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenSourcekernel:up to kernel-3.10—No fix listedCNA
  • kernel: VendorOpenSource Affected up to kernel-3.10 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.10VulnerableLinux
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.10 Vulnerable ·Linux
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2019:2043 Released 2019-08-07 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-devel-3.10.0-1062.rt56.1022.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-3.10.0-1062.rt56.1022.el7, kernel-rt-debug-devel-3.10.0-1062.rt56.1022.el7 +7
  • RHSA-2019:2029 Released 2019-08-06 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1062.el7, kernel-tools-libs-devel-3.10.0-1062.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1062.el7, kernel-3.10.0-1062.el7, kernel-abi-whitelists-3.10.0-1062.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1062.el7

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2019:2029
Red Hat Enterprise Linux for Real Time (v. 7)Fixed RHSA-2019:2043
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2019:2043
Not affected: 4 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-10140
  2. 2026-10-03 Alias added: GHSA-cqfm-vfh2-jprp

References

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences