CVE-2024-58005: tpm: Change to kvalloc() in eventlog/acpi.c
In the Linux kernel, the following vulnerability has been resolved:
tpm: Change to kvalloc() in eventlog/acpi.c
The following failure was reported on HPE ProLiant D320:
[ 10.693310][ T1] tpmtis STM0925:00: 2.0 TPM (device-id 0x3, rev-id 0) [ 10.848132][ T1] ------------[ cut here ]------------ [ 10.853559][ T1] WARNING: CPU: 59 PID: 1 at mm/pagealloc.c:4727 allocpagesnoprof+0x2ca/0x330 [ 10.862827][ T1] Modules linked in: [ 10.866671][ T1] CPU: 59 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.0-lp155.2.g52785e2-default #1 openSUSE Tumbleweed (unreleased) 588cd98293a7c9eba9013378d807364c088c9375 [ 10.882741][ T1] Hardware name: HPE ProLiant DL320 Gen12/ProLiant DL320 Gen12, BIOS 1.20 10/28/2024 [ 10.892170][ T1] RIP: 0010:allocpagesnoprof+0x2ca/0x330 [ 10.898103][ T1] Code: 24 08 e9 4a fe ff ff e8 34 36 fa ff e9 88 fe ff ff 83 fe 0a 0f 86 b3 fd ff ff 80 3d 01 e7 ce 01 00 75 09 c6 05 f8 e6 ce 01 01 <0f> 0b 45 31 ff e9 e5 fe ff ff f7 c2 00 00 08 00 75 42 89 d9 80 e1 [ 10.917750][ T1] RSP: 0000:ffffb7cf40077980 EFLAGS: 00010246 [ 10.923777][ T1] RAX: 0000000000000000 RBX: 0000000000040cc0 RCX: 0000000000000000 [ 10.931727][ T1] RDX: 0000000000000000 RSI: 000000000000000c RDI: 0000000000040cc0
The above transcript shows that ACPI pointed a 16 MiB buffer for the log events because RSI maps to the 'order' parameter of allocpagesnoprof(). Address the bug by moving from devmkmalloc() to devmaddaction() and kvmalloc() and devmaddaction().
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 6.8.0-78.78+fips1 - Compensating control
In the TPM eventlog/acpi.c code, replace devm_kmalloc() allocation with kvmalloc() and register cleanup using devm_add_action().
Event History
Frequently Asked Questions
What is the severity of CVE-2024-58005?
CVE-2024-58005 has a moderate severity rating due to its impact on the Linux kernel's TPM handling.
How do I fix CVE-2024-58005?
To address CVE-2024-58005, you should update your Linux kernel to a version that patch the vulnerability.
What systems are affected by CVE-2024-58005?
CVE-2024-58005 affects various versions of the Linux kernel from 2.6.16 up to 6.6.78, 6.12.14, and 6.13.3.
What is the primary vulnerability in CVE-2024-58005?
CVE-2024-58005 relates to an issue with the handling of kvalloc() in the tpm and eventlog components of the Linux kernel.
Is there active exploitation of CVE-2024-58005?
As of now, there are no public reports of active exploitation of CVE-2024-58005.