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TI-2024-23696 Aliases CVE-2024-35831GHSA-hhcf-pxch-r4cf

io_uring: Fix release of pinned pages when __io_uaddr_map fails

Priority LOW 24CWE-401Published · 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: 5 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-401.

Summary

In the Linux kernel, the following vulnerability has been resolved: io_uring: Fix release of pinned pages when __io_uaddr_map fails Looking at the error path of __io_uaddr_map, if we fail after pinning the pages for any reasons, ret will be set to -EINVAL and the error handler won't properly release the pinned pages. I didn't manage to trigger it without forcing a failure, but it can happen in real life when memory is heavily fragmented.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00208 11th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.6, 6.6.23, 6.7.11 +2Red Hat: 1 advisoryRed Hat: 5 fixed, 1 without a fix

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

VendorProductAffected versionsFixed inStatusSource
LinuxLinux6.5.7 to before 6.66.6Patch availableCNA
LinuxLinux6.6 and later6.6.23, 6.7.11, 6.8.2, 6.9Patch availableCNA
  • Linux VendorLinux Affected 6.5.7 to before 6.6 Fixed in 6.6 Patch available CNA
  • Linux VendorLinux Affected 6.6 and later Fixed in 6.6.23, 6.7.11, 6.8.2, 6.9 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*6.5.7 to before 6.6; 6.6.1 to before 6.6.23; 6.7 to before 6.7.11; 6.8 to before 6.8.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.6:-:*:*:*:*:*:*6.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.6:rc5:*:*:*:*:*:*6.6 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.6:rc6:*:*:*:*:*:*6.6 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.6:rc7:*:*:*:*:*:*6.6 rc7VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 6.5.7 to before 6.6; 6.6.1 to before 6.6.23; 6.7 to before 6.7.11; 6.8 to before 6.8.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.6:-:*:*:*:*:*:* Versions 6.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.6:rc5:*:*:*:*:*:* Versions 6.6 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.6:rc6:*:*:*:*:*:* Versions 6.6 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.6:rc7:*:*:*:*:*:* Versions 6.6 rc7 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 6.6
  • Fix · CNA Linux (Linux) Fixed in 6.6.23, 6.7.11, 6.8.2, 6.9

Red Hat 1 advisory

  • RHSA-2024:9315 Released 2024-11-12 · Red Hat rating Moderate
    kernel security update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-cross-headers-5.14.0-503.11.1.el9_5, kernel-tools-libs-devel-5.14.0-503.11.1.el9_5, libperf-5.14.0-503.11.1.el9_5
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-503.11.1.el9_5, kernel-64k-debug-devel-matched-5.14.0-503.11.1.el9_5, kernel-64k-devel-5.14.0-503.11.1.el9_5 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.4.0-503.11.1.el9_5, kernel-5.14.0-503.11.1.el9_5, kernel-64k-5.14.0-503.11.1.el9_5 +30
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-503.11.1.el9_5, kernel-rt-core-5.14.0-503.11.1.el9_5, kernel-rt-debug-5.14.0-503.11.1.el9_5 +9
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-503.11.1.el9_5, kernel-rt-core-5.14.0-503.11.1.el9_5, kernel-rt-debug-5.14.0-503.11.1.el9_5 +11

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2024:9315
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:9315
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:9315
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2024:9315
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2024:9315
Not affected: 5 products
  • Red Hat CodeReady Linux Builder (v. 9)
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux AppStream (v. 9)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-35831
  2. 2026-10-03 Alias added: GHSA-hhcf-pxch-r4cf

References

Patch 4

  • 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