Race condition in Linux
Priority LOW 21CWE-362Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
A race problem was found in fs/proc/task_mmu.c in the memory management sub-component in the Linux kernel. This issue may allow a local attacker with user privilege to cause a denial of service.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00131 2nd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Linux | Linux Kernel prior to Kernel 5.7 RC14 | — | No fix listed | CNA |
- Linux Vendor— Affected Linux Kernel prior to Kernel 5.7 RC14 Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.7 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.7:rc1:*:*:*:*:*:* | 5.7 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.7:rc2:*:*:*:*:*:* | 5.7 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.7:rc3:*:*:*:*:*:* | 5.7 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.7:rc4:*:*:*:*:*:* | 5.7 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.7:rc5:*:*:*:*:*:* | 5.7 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.7:rc6:*:*:*:*:*:* | 5.7 rc6 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.7:rc7:*:*:*:*:*:* | 5.7 rc7 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.7 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.7:rc1:*:*:*:*:*:* Versions 5.7 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.7:rc2:*:*:*:*:*:* Versions 5.7 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.7:rc3:*:*:*:*:*:* Versions 5.7 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.7:rc4:*:*:*:*:*:* Versions 5.7 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.7:rc5:*:*:*:*:*:* Versions 5.7 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.7:rc6:*:*:*:*:*:* Versions 5.7 rc6 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.7:rc7:*:*:*:*:*:* Versions 5.7 rc7 Vulnerable ·Linux
Remediation
Red Hat 2 advisories
- RHSA-2023:2951 Released 2023-05-16 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-477.10.1.el8_8, kernel-4.18.0-477.10.1.el8_8, kernel-abi-stablelists-4.18.0-477.10.1.el8_8 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-477.10.1.el8_8
- RHSA-2023:2736 Released 2023-05-16 · Red Hat rating Importantkernel-rt security and bug fix update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-core-4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-debug-4.18.0-477.10.1.rt7.274.el8_8 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-core-4.18.0-477.10.1.rt7.274.el8_8, kernel-rt-debug-4.18.0-477.10.1.rt7.274.el8_8 +7
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2023:2951 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2023:2951 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2023:2736 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2023:2736 |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2023-1582
- 2026-10-03 Alias added: GHSA-99gr-p997-vr4g
References
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2023-1582 · CVE Program
- CVE-2023-1582 · NVD
- FIRST EPSS
- GHSA-99gr-p997-vr4g · GitHub Advisory Database · CC BY 4.0
- CVE-2023-1582 · Red Hat security data · CC BY 4.0
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