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TI-2022-20207 Aliases CVE-2022-41858GHSA-5r4m-496r-7wqm

Use after free in Linux kernel

Priority LOW 33CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 34 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0029 21st percentileScored 2026-11-07
Fix Partial Red Hat: 13 advisoriesRed Hat: 34 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Linux kernelunknown—No fix listedCNA
  • Linux kernel Vendor— Affected unknown Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 4.9.311; 4.10 to before 4.14.276; 4.15 to before 4.19.239; 4.20 to before 5.4.190; 5.5.0 to before 5.10.112; 5.11 to before 5.15.35; 5.16 to before 5.17.4VulnerableLinux
cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*h300sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*h410cVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*h410sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*h500sVulnerableNetApp
cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*h700sVulnerableNetApp
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.9.311; 4.10 to before 4.14.276; 4.15 to before 4.19.239; 4.20 to before 5.4.190; 5.5.0 to before 5.10.112; 5.11 to before 5.15.35; 5.16 to before 5.17.4 Vulnerable ·Linux
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:* Versions h300s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:* Versions h410c Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:* Versions h410s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:* Versions h500s Vulnerable ·NetApp
  • cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:* Versions h700s Vulnerable ·NetApp

Remediation

Red Hat 13 advisories

  • RHSA-2024:1404 Released 2024-03-19 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-tools-libs-devel-4.18.0-477.51.1.el8_8
    • Red Hat Enterprise Linux BaseOS EUS (v.8.8) bpftool-4.18.0-477.51.1.el8_8, kernel-4.18.0-477.51.1.el8_8, kernel-abi-stablelists-4.18.0-477.51.1.el8_8 +19
  • RHSA-2024:1382 Released 2024-03-19 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt-4.18.0-305.125.1.rt7.201.el8_4, kernel-rt-core-4.18.0-305.125.1.rt7.201.el8_4, kernel-rt-debug-4.18.0-305.125.1.rt7.201.el8_4 +9
    • Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt-4.18.0-305.125.1.rt7.201.el8_4, kernel-rt-core-4.18.0-305.125.1.rt7.201.el8_4, kernel-rt-debug-4.18.0-305.125.1.rt7.201.el8_4 +7
  • RHSA-2024:1367 Released 2024-03-19 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.125.1.el8_4, kernel-4.18.0-305.125.1.el8_4, kernel-abi-stablelists-4.18.0-305.125.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.4) bpftool-4.18.0-305.125.1.el8_4, kernel-4.18.0-305.125.1.el8_4, kernel-abi-stablelists-4.18.0-305.125.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.4) bpftool-4.18.0-305.125.1.el8_4, kernel-4.18.0-305.125.1.el8_4, kernel-abi-stablelists-4.18.0-305.125.1.el8_4 +14
Show 10 more Red Hat advisories
  • RHSA-2024:1269 Released 2024-03-12 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time TUS (v. 8.2) kernel-rt-4.18.0-193.128.1.rt13.179.el8_2, kernel-rt-core-4.18.0-193.128.1.rt13.179.el8_2, kernel-rt-debug-4.18.0-193.128.1.rt13.179.el8_2 +7
    • Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) kernel-rt-4.18.0-193.128.1.rt13.179.el8_2, kernel-rt-core-4.18.0-193.128.1.rt13.179.el8_2, kernel-rt-debug-4.18.0-193.128.1.rt13.179.el8_2 +9
  • RHSA-2024:1268 Released 2024-03-12 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.128.1.el8_2, kernel-4.18.0-193.128.1.el8_2, kernel-abi-whitelists-4.18.0-193.128.1.el8_2 +14
    • Red Hat Enterprise Linux BaseOS E4S (v. 8.2) bpftool-4.18.0-193.128.1.el8_2, kernel-4.18.0-193.128.1.el8_2, kernel-abi-whitelists-4.18.0-193.128.1.el8_2 +14
    • Red Hat Enterprise Linux BaseOS TUS (v. 8.2) bpftool-4.18.0-193.128.1.el8_2, kernel-4.18.0-193.128.1.el8_2, kernel-abi-whitelists-4.18.0-193.128.1.el8_2 +14
  • RHSA-2024:0897 Released 2024-02-20 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.18.1.el8_9
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.18.1.el8_9, kernel-4.18.0-513.18.1.el8_9, kernel-abi-stablelists-4.18.0-513.18.1.el8_9 +19
  • RHSA-2024:0881 Released 2024-02-20 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-513.18.1.rt7.320.el8_9, kernel-rt-core-4.18.0-513.18.1.rt7.320.el8_9, kernel-rt-debug-4.18.0-513.18.1.rt7.320.el8_9 +9
    • Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt-4.18.0-513.18.1.rt7.320.el8_9, kernel-rt-core-4.18.0-513.18.1.rt7.320.el8_9, kernel-rt-debug-4.18.0-513.18.1.rt7.320.el8_9 +7
  • RHSA-2024:0432 Released 2024-01-25 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.85.1.el9_0
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.85.1.el9_0, kernel-debug-devel-matched-5.14.0-70.85.1.el9_0, kernel-devel-5.14.0-70.85.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.85.1.el9_0, kernel-5.14.0-70.85.1.el9_0, kernel-abi-stablelists-5.14.0-70.85.1.el9_0 +14
  • RHSA-2024:0431 Released 2024-01-25 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-core-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-debug-5.14.0-70.85.1.rt21.156.el9_0 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-core-5.14.0-70.85.1.rt21.156.el9_0, kernel-rt-debug-5.14.0-70.85.1.rt21.156.el9_0 +9
  • RHSA-2024:0461 Released 2024-01-25 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-362.18.1.el9_3, libperf-5.14.0-362.18.1.el9_3
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-362.18.1.el9_3, kernel-64k-debug-devel-matched-5.14.0-362.18.1.el9_3, kernel-64k-devel-5.14.0-362.18.1.el9_3 +11
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.2.0-362.18.1.el9_3, kernel-5.14.0-362.18.1.el9_3, kernel-64k-5.14.0-362.18.1.el9_3 +29
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-362.18.1.el9_3, kernel-rt-core-5.14.0-362.18.1.el9_3, kernel-rt-debug-5.14.0-362.18.1.el9_3 +9
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-362.18.1.el9_3, kernel-rt-core-5.14.0-362.18.1.el9_3, kernel-rt-debug-5.14.0-362.18.1.el9_3 +11
  • RHSA-2024:0448 Released 2024-01-25 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-tools-libs-devel-5.14.0-284.48.1.el9_2
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-64k-debug-devel-5.14.0-284.48.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.48.1.el9_2, kernel-64k-devel-5.14.0-284.48.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool-7.0.0-284.48.1.el9_2, kernel-5.14.0-284.48.1.el9_2, kernel-64k-5.14.0-284.48.1.el9_2 +29
  • RHSA-2024:0439 Released 2024-01-25 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-core-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-5.14.0-284.48.1.rt14.333.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-core-5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-5.14.0-284.48.1.rt14.333.el9_2 +11
  • RHSA-2024:0412 Released 2024-01-25 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.87.1.el8_6
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.87.1.el8_6, kernel-4.18.0-372.87.1.el8_6, kernel-abi-stablelists-4.18.0-372.87.1.el8_6 +19
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.87.1.el8_6, perf-4.18.0-372.87.1.el8_6

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: Out of support scope
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2024:0897
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2024:0461
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2024:0412
Red Hat CodeReady Linux Builder EUS (v.8.8)Fixed RHSA-2024:1404
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2024:0432
Red Hat CodeReady Linux Builder EUS (v.9.2)Fixed RHSA-2024:0448
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:0461
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2024:0432
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:0448
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2024:0897
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:0461
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2024:1268
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2024:1367
Red Hat Enterprise Linux BaseOS E4S (v. 8.2)Fixed RHSA-2024:1268
Red Hat Enterprise Linux BaseOS E4S (v.8.4)Fixed RHSA-2024:1367
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2024:0412
Red Hat Enterprise Linux BaseOS EUS (v.8.8)Fixed RHSA-2024:1404
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2024:0432
Red Hat Enterprise Linux BaseOS EUS (v.9.2)Fixed RHSA-2024:0448
Red Hat Enterprise Linux BaseOS TUS (v. 8.2)Fixed RHSA-2024:1268
Red Hat Enterprise Linux BaseOS TUS (v.8.4)Fixed RHSA-2024:1367
Red Hat Enterprise Linux NFV TUS (v.8.4)Fixed RHSA-2024:1382
Red Hat Enterprise Linux RT TUS (v.8.4)Fixed RHSA-2024:1382
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2024:0461
Red Hat Enterprise Linux Real Time EUS (v.9.0)Fixed RHSA-2024:0431
Red Hat Enterprise Linux Real Time EUS (v.9.2)Fixed RHSA-2024:0439
Red Hat Enterprise Linux Real Time TUS (v. 8.2)Fixed RHSA-2024:1269
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2024:0881
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2024:0461
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0)Fixed RHSA-2024:0431
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2)Fixed RHSA-2024:0439
Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2)Fixed RHSA-2024:1269
Red Hat Enterprise Linux for Real Time (v. 8)Fixed RHSA-2024:0881
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2024:0412
Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux AppStream EUS (v.9.2)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-41858
  2. 2026-10-03 Alias added: GHSA-5r4m-496r-7wqm

References

Patch 1

Advisory 1

Sources

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