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Weakness (CWE)

CWE-672: Operation on a Resource after Expiration or Release

Class Draft

The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.

Source: MITRE CWE-672

All Critical High Medium Low Exploited only Public exploit

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  • High 7.8
    CVE-2026-23111 Public exploit

    netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate() nft_map_catchall_activate() has an inverted element activity check compared to its non-catchall counterpart nft…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.1
    CVE-2019-15794 Public exploit

    Reference counting error in overlayfs/shiftfs error path when used in conjuction with aufs

    Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma->vm_file in their mmap handlers. On error the original value is not restored, and the reference is put for t…

    Ubuntu Linux kernel linux-raspi2 linux-hwe Linux Debian Ubuntu
  • High 7.1
    CVE-2019-15791 Public exploit

    Reference count underflow in shiftfs

    In shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, shiftfs_btrfs_ioctl_fd_replace() installs an fd referencing a file from the lower filesystem without taking an additional reference to that file. After the …

    Ubuntu Shiftfs in the Linux kernel linux-raspi2 linux-riscv Linux Ubuntu