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TI-2022-25289 Aliases CVE-2022-49788GHSA-65f7-9jmg-75c7

misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram()

Priority LOW 24CWE-908Published · 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: 33 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-908 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() `struct vmci_event_qp` allocated by qp_notify_peer() contains padding, which may carry uninitialized data to the userspace, as observed by KMSAN: BUG: KMSAN: kernel-infoleak in instrument_copy_to_user ./include/linux/instrumented.h:121 instrument_copy_to_user ./include/linux/instrumented.h:121 _copy_to_user+0x5f/0xb0 lib/usercopy.c:33 copy_to_user ./include/linux/uaccess.h:169 vmci_host_do_receive_datagram drivers/misc/vmw_vmci/vmci_host.c:431 vmci_host_unlocked_ioctl+0x33d/0x43d0 drivers/misc/vmw_vmci/vmci_host.c:925 vfs_ioctl fs/ioctl.c:51 ... Uninit was stored to memory at: kmemdup+0x74/0xb0 mm/util.c:131 dg_dispatch_as_host drivers/misc/vmw_vmci/vmci_datagram.c:271 vmci_datagram_dispatch+0x4f8/0xfc0 drivers/misc/vmw_vmci/vmci_datagram.c:339 qp_notify_peer+0x19a/0x290 drivers/misc/vmw_vmci/vmci_queue_pair.c:1479 qp_broker_attach drivers/misc/vmw_vmci/vmci_queue_pair.c:1662 qp_broker_alloc+0x2977/0x2f30 drivers/misc/vmw_vmci/vmci_queue_pair.c:1750 vmci_qp_broker_alloc+0x96/0xd0 drivers/misc/vmw_vmci/vmci_queue_pair.c:1940 vmci_host_do_alloc_queuepair drivers/misc/vmw_vmci/vmci_host.c:488 vmci_host_unlocked_ioctl+0x24fd/0x43d0 drivers/misc/vmw_vmci/vmci_host.c:927 ... Local variable ev created at: qp_notify_peer+0x54/0x290 drivers/misc/vmw_vmci/vmci_queue_pair.c:1456 qp_broker_attach drivers/misc/vmw_vmci/vmci_queue_pair.c:1662 qp_broker_alloc+0x2977/0x2f30 drivers/misc/vmw_vmci/vmci_queue_pair.c:1750 Bytes 28-31 of 48 are uninitialized Memory access of size 48 starts at ffff888035155e00 Data copied to user address 0000000020000100 Use memset() to prevent the infoleaks. Also speculatively fix qp_notify_peer_local(), which may suffer from the same problem.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00234 14th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.9.334, 4.14.300, 4.19.267 +5Red Hat: 14 advisoriesRed Hat: 33 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
LinuxLinux3.9 and later4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.156, 5.15.80, 6.0.10, 6.1Patch availableCNA
  • Linux VendorLinux Affected 3.9 and later Fixed in 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.156, 5.15.80, 6.0.10, 6.1 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*3.9 to before 4.9.334; 4.10 to before 4.14.300; 4.15 to before 4.19.267; 4.20 to before 5.4.225; 5.5 to before 5.10.156; 5.11 to before 5.15.80; 5.16 to before 6.0.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*6.1 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*6.1 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*6.1 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*6.1 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*6.1 rc5VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.9 to before 4.9.334; 4.10 to before 4.14.300; 4.15 to before 4.19.267; 4.20 to before 5.4.225; 5.5 to before 5.10.156; 5.11 to before 5.15.80; 5.16 to before 6.0.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:* Versions 6.1 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:* Versions 6.1 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:* Versions 6.1 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:* Versions 6.1 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:* Versions 6.1 rc5 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 4.9.334, 4.14.300, 4.19.267, 5.4.225, 5.10.156, 5.15.80, 6.0.10, 6.1

Red Hat 14 advisories

  • RHSA-2025:14748 Released 2025-08-27 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) bpftool-3.10.0-1160.137.1.el7, kernel-3.10.0-1160.137.1.el7, kernel-abi-whitelists-3.10.0-1160.137.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) kernel-debug-devel-3.10.0-1160.137.1.el7, kernel-tools-libs-devel-3.10.0-1160.137.1.el7
  • RHSA-2025:14746 Released 2025-08-27 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux for Real Time (v. 7 ELS) kernel-rt-3.10.0-1160.137.1.rt56.1289.el7, kernel-rt-debug-3.10.0-1160.137.1.rt56.1289.el7, kernel-rt-debug-devel-3.10.0-1160.137.1.rt56.1289.el7 +4
  • RHSA-2025:14136 Released 2025-08-20 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) bpftool-4.18.0-193.164.1.el8_2, kernel-4.18.0-193.164.1.el8_2, kernel-abi-whitelists-4.18.0-193.164.1.el8_2 +14
Show 11 more Red Hat advisories
  • RHSA-2025:13781 Released 2025-08-13 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) kernel-64k-debug-devel-5.14.0-284.130.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.130.1.el9_2, kernel-64k-devel-5.14.0-284.130.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool-7.0.0-284.130.1.el9_2, kernel-5.14.0-284.130.1.el9_2, kernel-64k-5.14.0-284.130.1.el9_2 +29
  • RHSA-2025:13776 Released 2025-08-13 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) bpftool-4.18.0-372.157.1.el8_6, kernel-4.18.0-372.157.1.el8_6, kernel-abi-stablelists-4.18.0-372.157.1.el8_6 +14
    • Red Hat Enterprise Linux BaseOS E4S (v.8.6) bpftool-4.18.0-372.157.1.el8_6, kernel-4.18.0-372.157.1.el8_6, kernel-abi-stablelists-4.18.0-372.157.1.el8_6 +19
    • Red Hat Enterprise Linux BaseOS TUS (v.8.6) bpftool-4.18.0-372.157.1.el8_6, kernel-4.18.0-372.157.1.el8_6, kernel-abi-stablelists-4.18.0-372.157.1.el8_6 +14
  • RHSA-2025:13633 Released 2025-08-11 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt-5.14.0-284.130.1.rt14.415.el9_2, kernel-rt-core-5.14.0-284.130.1.rt14.415.el9_2, kernel-rt-debug-5.14.0-284.130.1.rt14.415.el9_2 +9
    • Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt-5.14.0-284.130.1.rt14.415.el9_2, kernel-rt-core-5.14.0-284.130.1.rt14.415.el9_2, kernel-rt-debug-5.14.0-284.130.1.rt14.415.el9_2 +11
  • RHSA-2025:13135 Released 2025-08-06 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.81.1.el9_4, libperf-5.14.0-427.81.1.el9_4
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.81.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.81.1.el9_4, kernel-64k-devel-5.14.0-427.81.1.el9_4 +11
    • Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.81.1.el9_4, kernel-5.14.0-427.81.1.el9_4, kernel-64k-5.14.0-427.81.1.el9_4 +29
    • Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.81.1.el9_4, kernel-rt-core-5.14.0-427.81.1.el9_4, kernel-rt-debug-5.14.0-427.81.1.el9_4 +9
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.81.1.el9_4, kernel-rt-core-5.14.0-427.81.1.el9_4, kernel-rt-debug-5.14.0-427.81.1.el9_4 +11
  • RHSA-2025:13120 Released 2025-08-06 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) bpftool-4.18.0-305.166.1.el8_4, kernel-4.18.0-305.166.1.el8_4, kernel-abi-stablelists-4.18.0-305.166.1.el8_4 +14
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) bpftool-4.18.0-305.166.1.el8_4, kernel-4.18.0-305.166.1.el8_4, kernel-abi-stablelists-4.18.0-305.166.1.el8_4 +14
  • RHSA-2025:13061 Released 2025-08-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) bpftool-4.18.0-477.104.1.el8_8, kernel-4.18.0-477.104.1.el8_8, kernel-abi-stablelists-4.18.0-477.104.1.el8_8 +14
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) bpftool-4.18.0-477.104.1.el8_8, kernel-4.18.0-477.104.1.el8_8, kernel-abi-stablelists-4.18.0-477.104.1.el8_8 +14
  • RHSA-2025:13030 Released 2025-08-05 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) kernel-debug-devel-5.14.0-70.141.1.el9_0, kernel-debug-devel-matched-5.14.0-70.141.1.el9_0, kernel-devel-5.14.0-70.141.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS E4S (v.9.0) bpftool-5.14.0-70.141.1.el9_0, kernel-5.14.0-70.141.1.el9_0, kernel-abi-stablelists-5.14.0-70.141.1.el9_0 +14
  • RHSA-2025:13029 Released 2025-08-05 · Red Hat rating Important
    kernel-rt security update
    • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt-5.14.0-70.141.1.rt21.213.el9_0, kernel-rt-core-5.14.0-70.141.1.rt21.213.el9_0, kernel-rt-debug-5.14.0-70.141.1.rt21.213.el9_0 +9
    • Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt-5.14.0-70.141.1.rt21.213.el9_0, kernel-rt-core-5.14.0-70.141.1.rt21.213.el9_0, kernel-rt-debug-5.14.0-70.141.1.rt21.213.el9_0 +7
  • RHSA-2025:12746 Released 2025-08-04 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-570.32.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.32.1.el9_6, kernel-64k-devel-5.14.0-570.32.1.el9_6 +12
    • Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-570.32.1.el9_6, kernel-64k-5.14.0-570.32.1.el9_6, kernel-64k-core-5.14.0-570.32.1.el9_6 +28
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-570.32.1.el9_6, libperf-5.14.0-570.32.1.el9_6
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-570.32.1.el9_6, kernel-rt-64k-5.14.0-570.32.1.el9_6, kernel-rt-64k-core-5.14.0-570.32.1.el9_6 +21
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-570.32.1.el9_6, kernel-rt-core-5.14.0-570.32.1.el9_6, kernel-rt-debug-5.14.0-570.32.1.el9_6 +11
  • RHSA-2025:11298 Released 2025-07-16 · Red Hat rating Moderate
    kernel security update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.62.1.el8_10, kernel-4.18.0-553.62.1.el8_10, kernel-abi-stablelists-4.18.0-553.62.1.el8_10 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.62.1.el8_10
  • RHSA-2025:11299 Released 2025-07-16 · Red Hat rating Moderate
    kernel-rt security update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.62.1.rt7.403.el8_10, kernel-rt-core-4.18.0-553.62.1.rt7.403.el8_10, kernel-rt-debug-4.18.0-553.62.1.rt7.403.el8_10 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.62.1.rt7.403.el8_10, kernel-rt-core-4.18.0-553.62.1.rt7.403.el8_10, kernel-rt-debug-4.18.0-553.62.1.rt7.403.el8_10 +7

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 EUS (v.9.4)Fixed RHSA-2025:13135
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:12746
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:13030
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:13781
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:13135
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2025:11298
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2025:12746
Red Hat Enterprise Linux BaseOS AUS (v. 8.2)Fixed RHSA-2025:14136
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2025:13120
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2025:13776
Red Hat Enterprise Linux BaseOS E4S (v.8.6)Fixed RHSA-2025:13776
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2025:13061
Red Hat Enterprise Linux BaseOS E4S (v.9.0)Fixed RHSA-2025:13030
Red Hat Enterprise Linux BaseOS E4S (v.9.2)Fixed RHSA-2025:13781
Red Hat Enterprise Linux BaseOS EUS (v.9.4)Fixed RHSA-2025:13135
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2025:13120
Red Hat Enterprise Linux BaseOS TUS (v.8.6)Fixed RHSA-2025:13776
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2025:13061
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2025:11298
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2025:12746
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2025:11299
Red Hat Enterprise Linux NFV E4S (v.9.0)Fixed RHSA-2025:13029
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2025:11299
Red Hat Enterprise Linux Real Time (v. 9)Fixed RHSA-2025:12746
Red Hat Enterprise Linux Real Time E4S (v.9.0)Fixed RHSA-2025:13029
Red Hat Enterprise Linux Real Time E4S (v.9.2)Fixed RHSA-2025:13633
Red Hat Enterprise Linux Real Time EUS (v.9.4)Fixed RHSA-2025:13135
Red Hat Enterprise Linux Real Time for NFV (v. 9)Fixed RHSA-2025:12746
Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)Fixed RHSA-2025:13633
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4)Fixed RHSA-2025:13135
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:14748
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2025:14748
Red Hat Enterprise Linux for Real Time (v. 7 ELS)Fixed RHSA-2025:14746
Not affected: 2 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-49788
  2. 2026-10-03 Alias added: GHSA-65f7-9jmg-75c7
  3. 2026-11-05 CISA SSVC decision points changed

References

Patch 8

  • 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