CVE-2025-22060Medium· 4.7▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: net: mvpp2: Prevent parser TCAM memory corruption Protect the parser TCAM/SRAM memory, and the cached (shadow) SRAM information, from concurrent modifications. Both t…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 25.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 3.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
Last analysed / modified upstream
0.1% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
net: mvpp2: Prevent parser TCAM memory corruption
Protect the parser TCAM/SRAM memory, and the cached (shadow) SRAM information, from concurrent modifications.
Both the TCAM and SRAM tables are indirectly accessed by configuring an index register that selects the row to read or write to. This means that operations must be atomic in order to, e.g., avoid spreading writes across multiple rows. Since the shadow SRAM array is used to find free rows in the hardware table, it must also be protected in order to avoid TOCTOU errors where multiple cores allocate the same row.
This issue was detected in a situation where mvpp2_set_rx_mode() ran
concurrently on two CPUs. In this particular case the
MVPP2_PE_MAC_UC_PROMISCUOUS entry was corrupted, causing the
classifier unit to drop all incoming unicast - indicated by the
rx_classifier_drops counter.
linux_kernel >= 3.17, < 5.15.180linux_kernel >= 5.16, < 6.1.134linux_kernel >= 6.2, < 6.6.87linux_kernel >= 6.7, < 6.12.23linux_kernel >= 6.13, < 6.13.11linux_kernel >= 6.14, < 6.14.2Upgrade past the affected range:
linux_kernel 6.14.2Connected by shared product, vendor, weakness, or advisory.
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