CVE-2026-53007 Details
Description
In the Linux kernel, the following vulnerability has been resolved: ice: fix potential NULL pointer deref in error path of ice_set_ringparam() ice_set_ringparam nullifies tstamp_ring of temporary tx_rings, without clearing ICE_TX_RING_FLAGS_TXTIME bit. When ICE_TX_RING_FLAGS_TXTIME is set and the subsequent ice_setup_tx_ring() call fails, a NULL pointer dereference could happen in the unwinding sequence: ice_clean_tx_ring() -> ice_is_txtime_cfg() == true (ICE_TX_RING_FLAGS_TXTIME is set) -> ice_free_tx_tstamp_ring() -> ice_free_tstamp_ring() -> tstamp_ring->desc (NULL deref) Clear ICE_TX_RING_FLAGS_TXTIME bit to avoid the potential issue. Note that this potential issue is found by manual code review. Compile test only since unfortunately I don't have E830 devices.
A potential NULL pointer dereference vulnerability has been identified in the Intel Ice Ethernet driver within the Linux kernel. This issue arises in the 'ice_set_ringparam' function, where the timestamp ring of temporary transmission rings is nullified without clearing the 'ICE_TX_RING_FLAGS_TXTIME' bit. If the 'ICE_TX_RING_FLAGS_TXTIME' is set and the subsequent 'ice_setup_tx_ring' call fails, it can lead to a NULL pointer dereference during the error handling process. The vulnerability was discovered through manual code review.
The 'ICE_TX_RING_FLAGS_TXTIME' bit should be cleared in the 'ice_set_ringparam' function to prevent the potential NULL pointer dereference. Users can apply the available patch in the Linux kernel stable tree.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://git.kernel.org/stable/c/c54e3c270384829336b2526033d44ce1aa6dc67c | kernel.org | Patch |
| https://git.kernel.org/stable/c/fa28351f970fa5138c7c5dedfe5dea480a0ee065 | kernel.org | Patch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | >= 6.18, < 7.0.10 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 14, 2026 | Initial Analysis | [email protected] |
| Jun 24, 2026 | New CVE Received | kernel.org |