# CVE-2026-53008: linux: In the Linux kernel, the following vulnerability has been resolved:  ice: fix race condition in TX timestamp ring cle...

CVE-2026-53008 is fixed in linux on 1 platform by DEBIAN-CVE-2026-53008 (version 7.0.10-1), released June 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-53008
- Priority: Routine
- CVSS: 4.7 (medium)
- EPSS: 0.0011
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 24, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:  ice: fix race condition in TX timestamp ring cleanup  Fix a race condition between ice_free_tx_tstamp_ring() and ice_tx_map() that can cause a NULL pointer dereference.  ice_free_tx_tstamp_ring currently clears the ICE_TX_FLAGS_TXTIME flag after NULLing the tstamp_ring. This could allow a concurrent ice_tx_map call on another CPU to dereference the tstamp_ring, which could lead to a NULL pointer dereference.    CPU A:ice_free_tx_tstamp_ring() | CPU B:ice_tx_map()   --------------------------------|---------------------------------   tx_ring->tstamp_ring = NULL     |                                   | ice_is_txtime_cfg() -> true                                   | tstamp_ring = tx_ring->tstamp_ring                                   | tstamp_ring->count  // NULL deref!   flags &= ~ICE_TX_FLAGS_TXTIME   |  Fix by: 1. Reordering ice_free_tx_tstamp_ring() to clear the flag before    NULLing the pointer, with smp_wmb() to ensure proper ordering. 2. Adding smp_rmb() in ice_tx_map() after the flag check to order the    flag read before the pointer read, using READ_ONCE() for the    pointer, and adding a NULL check as a safety net. 3. Converting tx_ring->flags from u8 to DECLARE_BITMAP() and using    atomic bitops (set_bit(), clear_bit(), test_bit()) for all flag    operations throughout the driver:    - ICE_TX_RING_FLAGS_XDP    - ICE_TX_RING_FLAGS_VLAN_L2TAG1    - ICE_TX_RING_FLAGS_VLAN_L2TAG2    - ICE_TX_RING_FLAGS_TXTIME

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 7.0.10-1 | [DEBIAN-CVE-2026-53008](https://patchblox.com/security/data/fix/linux/debian-cve-2026-53008.md) | Jun 25, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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