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TI-2022-25720 Aliases CVE-2022-50235GHSA-m9fv-443w-2xhw

NFSD: Protect against send buffer overflow in NFSv2 READDIR

Priority MEDIUM 42CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 6 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protect against send buffer overflow in NFSv2 READDIR Restore the previous limit on the @count argument to prevent a buffer overflow attack.

Why it matters now

EPSS 0.00429 37th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.15.75, 5.19.17, 6.0.3 +1Red Hat: 3 advisoriesRed Hat: 6 fixed, 3 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux5.15.12 to before 5.15.755.15.75Patch availableCNA
LinuxLinux5.16 and later5.15.75, 5.19.17, 6.0.3, 6.1Patch availableCNA
  • Linux VendorLinux Affected 5.15.12 to before 5.15.75 Fixed in 5.15.75 Patch available CNA
  • Linux VendorLinux Affected 5.16 and later Fixed in 5.15.75, 5.19.17, 6.0.3, 6.1 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.15.12 to before 5.15.75; 5.16.1 to before 5.19.17; 6.0 to before 6.0.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:*5.16VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16:rc7:*:*:*:*:*:*5.16 rc7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.16:rc8:*:*:*:*:*:*5.16 rc8VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.15.12 to before 5.15.75; 5.16.1 to before 5.19.17; 6.0 to before 6.0.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:* Versions 5.16 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16:rc7:*:*:*:*:*:* Versions 5.16 rc7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.16:rc8:*:*:*:*:*:* Versions 5.16 rc8 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.15.75
  • Fix · CNA Linux (Linux) Fixed in 5.15.75, 5.19.17, 6.0.3, 6.1

Red Hat 3 advisories

  • RHSA-2023:2951 Released 2023-05-16 · Red Hat rating Important
    kernel 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-2023:2458 Released 2023-05-09 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-284.11.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.11.1.el9_2, kernel-64k-devel-5.14.0-284.11.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.0.0-284.11.1.el9_2, kernel-5.14.0-284.11.1.el9_2, kernel-64k-5.14.0-284.11.1.el9_2 +29
    • Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-284.11.1.el9_2
  • RHSA-2023:0832 Released 2023-02-21 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-425.13.1.el8_7
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-425.13.1.el8_7, kernel-4.18.0-425.13.1.el8_7, kernel-abi-stablelists-4.18.0-425.13.1.el8_7 +19

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2023:0832
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:2458
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:0832, RHSA-2023:2951
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:2458
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2023:2951
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:2458
Not affected: 2 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-50235
  2. 2026-10-03 Alias added: GHSA-m9fv-443w-2xhw

References

Patch 5

  • 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
See all 15278 →

Sources

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