CVE-2024-46849

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Source
https://cve.org/CVERecord?id=CVE-2024-46849
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-46849.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-46849
Downstream
Related
Published
2024-09-27T12:42:43.316Z
Modified
2026-03-11T07:46:22.991662Z
Summary
ASoC: meson: axg-card: fix 'use-after-free'
Details

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

ASoC: meson: axg-card: fix 'use-after-free'

Buffer 'card->dailink' is reallocated in 'mesoncardreallocatelinks()', so move 'pad' pointer initialization after this function when memory is already reallocated.

Kasan bug report:

================================================================== BUG: KASAN: slab-use-after-free in axgcardadd_link+0x76c/0x9bc Read of size 8 at addr ffff000000e8b260 by task modprobe/356

CPU: 0 PID: 356 Comm: modprobe Tainted: G O 6.9.12-sdkernel #1 Call trace: dumpbacktrace+0x94/0xec showstack+0x18/0x24 dumpstacklvl+0x78/0x90 printreport+0xfc/0x5c0 kasanreport+0xb8/0xfc __asanload8+0x9c/0xb8 axgcard_addlink+0x76c/0x9bc [sndsocmesonaxgsoundcard] mesoncardprobe+0x344/0x3b8 [sndsocmesoncardutils] platformprobe+0x8c/0xf4 reallyprobe+0x110/0x39c __driverprobedevice+0xb8/0x18c driverprobedevice+0x108/0x1d8 __driverattach+0xd0/0x25c busforeachdev+0xe0/0x154 driverattach+0x34/0x44 busadddriver+0x134/0x294 driverregister+0xa8/0x1e8 __platformdriverregister+0x44/0x54 axgcardpdrvinit+0x20/0x1000 [sndsocmesonaxgsoundcard] dooneinitcall+0xdc/0x25c doinitmodule+0x10c/0x334 loadmodule+0x24c4/0x26cc initmodulefromfile+0xd4/0x128 __arm64sysfinitmodule+0x1f4/0x41c invokesyscall+0x60/0x188 el0svccommon.constprop.0+0x78/0x13c doel0svc+0x30/0x40 el0svc+0x38/0x78 el0t64synchandler+0x100/0x12c el0t64sync+0x190/0x194

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46849.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
7864a79f37b55769b817d5e6c5ae0ca4bfdba93b
Fixed
a33145f494e6cb82f3e018662cc7c4febf271f22
Fixed
5a2cc2bb81399e9ebc72560541137eb04d61dc3d
Fixed
fb0530025d502cb79d2b2801b14a9d5261833f1a
Fixed
e1a199ec31617242e1a0ea8f312341e682d0c037
Fixed
e43364f578cdc2f8083abbc0cb743ea55e827c29
Fixed
7d318166bf55e9029d56997c3b134f4ac2ae2607
Fixed
4f9a71435953f941969a4f017e2357db62d85a86

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-46849.json"