kernel: use-after-free Read in put_device (/dev/vtpmx)
Published Sep 14, 2022
7.8
HIGHCVSS 3.1
EPSS 0.25%
Description
A flaw was found in the Linux kernel implementation of proxied virtualized TPM devices. On a system where virtualized TPM devices are configured (this is not the default) a local attacker can create a use-after-free and create a situation where it may be possible to escalate privileges on the system.
Affected products
- Vendor n/a Product Linux kernel Defaultn/a
- Version Linux kernel versions prior to 5.18StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Linux kernel | n/a |
|
- ≥ 4.12 · < 4.14.276
- ≥ 4.15 · < 4.19.238
- ≥ 4.20 · < 5.4.189
- ≥ 5.5 · < 5.10.110
- ≥ 5.11 · < 5.15.33
- ≥ 5.16 · < 5.16.19
- ≥ 5.17 · < 5.17.1
No data.
Red Hat Enterprise Linux 6
kernel
Out of support scope
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (7)
- https://access.redhat.com/security/cve/CVE-2022-2977 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2120146 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-35198 Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9d8e7007dc7c4d7c8366739bbcd3f5e51dcd470f Mailing ListPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-2977
- https://security.netapp.com/advisory/ntap-20230214-0006/
- https://www.cve.org/CVERecord?id=CVE-2022-2977
Change history (0)
No recorded changes yet.