CVE-2026-74448

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Source

https://cve.org/CVERecord?id=CVE-2026-74448

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74448.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-74448

Downstream

Published

2026-08-15T12:26:53Z

Modified

2026-10-08T02:48:06Z

Summary

drm/amdkfd: fix QID bit leak in pqm_create_queue()

Details

In the Linux kernel, the following vulnerability has been resolved:

drm/amdkfd: fix QID bit leak in pqm_create_queue()

When MES is enabled and amdgpu_amdkfd_alloc_kernel_mem() fails during the first queue creation for a process, pqm_create_queue() returns early via 'return retval' without going through the err_create_queue cleanup label.

This means clear_bit(*qid, pqm->queue_slot_bitmap) is never called, leaving the reserved QID bit permanently set in queue_slot_bitmap. Over time this leaks QID slots, potentially exhausting all available queue slots.

Fix this by replacing 'return retval' with 'goto err_allocate_pqn' so that clear_bit() is always called on the error path without touching the uninitialized pqn pointer.

AILIKFD-813

(cherry picked from commit a107f74c38edbb80d6ab64dcaeeb292c14e9779f)

Database specific

{
    "cna_assigner":  "Linux",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74448.json"
}

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

0f88894aa628680747ae27760e5f627f901a435f

Fixed

8924e2594a15bdbd07f8696770864366d787ab70

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

c0ef1c8ef70bfa3487ea84f794d7a1f0fea0735d

Fixed

2ff5bb3645c72b3690e70c513a62a86600c4632f

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

fddc45026311c05a5355fd34b9dc0a1d7eaef4a2

Fixed

5f0f2ddeac738e2ca9d12cb76a1ff2904e85ecc3

Fixed

7c35bf94150d872e670a6632aa819d320279effb

Fixed

38b73293f38658a4685ffcea666462024f858ad9

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

6.6.87

Fixed

6.6.151

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

6.12.23

Fixed

6.12.103

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

6.13.11

Fixed

6.14

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

6.14.2

Fixed

6.15

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

9d61e2b81f5fc90c87975879809346e7c90ea5f9

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

d86ba913bbfd1afafacbfb750001ffc6bfe29da0

Affected versions

v6.*

v6.12.100

v6.12.101

v6.12.102

v6.12.23

v6.12.24

v6.12.25

v6.12.26

v6.12.27

v6.12.28

v6.12.29

v6.12.30

v6.12.31

v6.12.32

v6.12.33

v6.12.34

v6.12.35

v6.12.36

v6.12.37

v6.12.38

v6.12.39

v6.12.40

v6.12.41

v6.12.42

v6.12.43

v6.12.44

v6.12.45

v6.12.46

v6.12.47

v6.12.48

v6.12.49

v6.12.50

v6.12.51

v6.12.52

v6.12.53

v6.12.54

v6.12.55

v6.12.56

v6.12.57

v6.12.58

v6.12.59

v6.12.60

v6.12.61

v6.12.62

v6.12.63

v6.12.64

v6.12.65

v6.12.66

v6.12.67

v6.12.68

v6.12.69

v6.12.70

v6.12.71

v6.12.72

v6.12.73

v6.12.74

v6.12.75

v6.12.76

v6.12.77

v6.12.78

v6.12.79

v6.12.80

v6.12.81

v6.12.82

v6.12.83

v6.12.84

v6.12.85

v6.12.86

v6.12.87

v6.12.88

v6.12.89

v6.12.90

v6.12.91

v6.12.92

v6.12.93

v6.12.94

v6.12.95

v6.12.96

v6.12.97

v6.12.98

v6.12.99

v6.13.11

v6.13.12

v6.14.10

v6.14.11

v6.14.2

v6.14.3

v6.14.4

v6.14.5

v6.14.6

v6.14.7

v6.14.8

v6.14.9

v6.6.100

v6.6.101

v6.6.102

v6.6.103

v6.6.104

v6.6.105

v6.6.106

v6.6.107

v6.6.108

v6.6.109

v6.6.110

v6.6.111

v6.6.112

v6.6.113

v6.6.114

v6.6.115

v6.6.116

v6.6.117

v6.6.118

v6.6.119

v6.6.120

v6.6.121

v6.6.122

v6.6.123

v6.6.124

v6.6.125

v6.6.126

v6.6.127

v6.6.128

v6.6.129

v6.6.130

v6.6.131

v6.6.132

v6.6.133

v6.6.134

v6.6.135

v6.6.136

v6.6.137

v6.6.138

v6.6.139

v6.6.140

v6.6.141

v6.6.142

v6.6.143

v6.6.144

v6.6.145

v6.6.146

v6.6.147

v6.6.148

v6.6.149

v6.6.150

v6.6.87

v6.6.88

v6.6.89

v6.6.90

v6.6.91

v6.6.92

v6.6.93

v6.6.94

v6.6.95

v6.6.96

v6.6.97

v6.6.98

v6.6.99

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74448.json"

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

6.6.151

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.12.103

Type: ECOSYSTEM
Events: Introduced

6.13.0

Fixed

6.18.44

Type: ECOSYSTEM
Events: Introduced

6.15.0

Fixed

7.1.8

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74448.json"