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CVE-2026-68285LoongArch: BPF: Fix memory leak in bpf_jit_free()

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: BPF: Fix memory leak in bpf_jit_free() When bpf_int_jit_compile() is called for subprograms, it returns early during the first pass (!prog->is_func || extra_pass is false), keeping ctx->offset alive for the subsequent extra pass. If JIT compilation fails for a later subprogram, the BPF core aborts and calls bpf_jit_free() to clean up the first subprogram. However, bpf_jit_free() fails to free jit_data->ctx.offset, which causes a memory leak of the JIT context offsets array. So fix this by adding the missing kvfree(jit_data->ctx.offset) in bpf_jit_free().

Timeline

  1. ID reserved

    By Linux

  2. · 11 days later

    Published

  3. · 7 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.

EPSS (exploitation in 30 days)
0.20% · top 90% of all CVEs (14 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.

Affected products

  • Linux · Linux

    • affected 4ab17e762b34c847478f694932c4cd4b1ac2c343 – < f1557e0a64736b63aed24e285108a7bc3b7de294
    • affected 4ab17e762b34c847478f694932c4cd4b1ac2c343 – < 47e20d4b3da97ef3881d1e55e43545c22424f3fc

  • Linux · Linux

    • affected 7.0
    • unaffected < 7.0
    • unaffected 7.1.6 – ≤ 7.1.*
    • unaffected 7.2 – ≤ *

References

References2

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .