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SUSE: CVE-2024-36013: SUSE Linux Security Advisory

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SUSE: CVE-2024-36013: SUSE Linux Security Advisory

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/23/2024
Created
06/24/2024
Added
06/24/2024
Modified
08/28/2024

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free in l2cap_connect() Extend a critical section to prevent chan from early freeing. Also make the l2cap_connect() return type void. Nothing is using the returned value but it is ugly to return a potentially freed pointer. Making it void will help with backports because earlier kernels did use the return value. Now the compile will break for kernels where this patch is not a complete fix. Call stack summary: [use] l2cap_bredr_sig_cmd l2cap_connect + mutex_lock(&conn->chan_lock); ¦ chan = pchan->ops->new_connection(pchan); <- alloc chan ¦ __l2cap_chan_add(conn, chan); ¦ l2cap_chan_hold(chan); ¦ list_add(&chan->list, &conn->chan_l); ... (1) + mutex_unlock(&conn->chan_lock); chan->conf_state... (4) <- use after free [free] l2cap_conn_del + mutex_lock(&conn->chan_lock); ¦ foreach chan in conn->chan_l:... (2) ¦ l2cap_chan_put(chan); ¦ l2cap_chan_destroy ¦ kfree(chan) ... (3) <- chan freed + mutex_unlock(&conn->chan_lock); ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: slab-use-after-free in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] BUG: KASAN: slab-use-after-free in l2cap_connect+0xa67/0x11a0 net/bluetooth/l2cap_core.c:4260 Read of size 8 at addr ffff88810bf040a0 by task kworker/u3:1/311

Solution(s)

  • suse-upgrade-cluster-md-kmp-64kb
  • suse-upgrade-cluster-md-kmp-azure
  • suse-upgrade-cluster-md-kmp-default
  • suse-upgrade-cluster-md-kmp-rt
  • suse-upgrade-dlm-kmp-64kb
  • suse-upgrade-dlm-kmp-azure
  • suse-upgrade-dlm-kmp-default
  • suse-upgrade-dlm-kmp-rt
  • suse-upgrade-dtb-allwinner
  • suse-upgrade-dtb-altera
  • suse-upgrade-dtb-amazon
  • suse-upgrade-dtb-amd
  • suse-upgrade-dtb-amlogic
  • suse-upgrade-dtb-apm
  • suse-upgrade-dtb-apple
  • suse-upgrade-dtb-arm
  • suse-upgrade-dtb-broadcom
  • suse-upgrade-dtb-cavium
  • suse-upgrade-dtb-exynos
  • suse-upgrade-dtb-freescale
  • suse-upgrade-dtb-hisilicon
  • suse-upgrade-dtb-lg
  • suse-upgrade-dtb-marvell
  • suse-upgrade-dtb-mediatek
  • suse-upgrade-dtb-nvidia
  • suse-upgrade-dtb-qcom
  • suse-upgrade-dtb-renesas
  • suse-upgrade-dtb-rockchip
  • suse-upgrade-dtb-socionext
  • suse-upgrade-dtb-sprd
  • suse-upgrade-dtb-xilinx
  • suse-upgrade-gfs2-kmp-64kb
  • suse-upgrade-gfs2-kmp-azure
  • suse-upgrade-gfs2-kmp-default
  • suse-upgrade-gfs2-kmp-rt
  • suse-upgrade-kernel-64kb
  • suse-upgrade-kernel-64kb-devel
  • suse-upgrade-kernel-64kb-extra
  • suse-upgrade-kernel-64kb-livepatch-devel
  • suse-upgrade-kernel-64kb-optional
  • suse-upgrade-kernel-azure
  • suse-upgrade-kernel-azure-devel
  • suse-upgrade-kernel-azure-extra
  • suse-upgrade-kernel-azure-livepatch-devel
  • suse-upgrade-kernel-azure-optional
  • suse-upgrade-kernel-azure-vdso
  • suse-upgrade-kernel-debug
  • suse-upgrade-kernel-debug-devel
  • suse-upgrade-kernel-debug-livepatch-devel
  • suse-upgrade-kernel-debug-vdso
  • suse-upgrade-kernel-default
  • suse-upgrade-kernel-default-base
  • suse-upgrade-kernel-default-base-rebuild
  • suse-upgrade-kernel-default-devel
  • suse-upgrade-kernel-default-extra
  • suse-upgrade-kernel-default-livepatch
  • suse-upgrade-kernel-default-livepatch-devel
  • suse-upgrade-kernel-default-optional
  • suse-upgrade-kernel-default-vdso
  • suse-upgrade-kernel-devel
  • suse-upgrade-kernel-devel-azure
  • suse-upgrade-kernel-devel-rt
  • suse-upgrade-kernel-docs
  • suse-upgrade-kernel-docs-html
  • suse-upgrade-kernel-kvmsmall
  • suse-upgrade-kernel-kvmsmall-devel
  • suse-upgrade-kernel-kvmsmall-livepatch-devel
  • suse-upgrade-kernel-kvmsmall-vdso
  • suse-upgrade-kernel-macros
  • suse-upgrade-kernel-obs-build
  • suse-upgrade-kernel-obs-qa
  • suse-upgrade-kernel-rt
  • suse-upgrade-kernel-rt-devel
  • suse-upgrade-kernel-rt-extra
  • suse-upgrade-kernel-rt-livepatch-devel
  • suse-upgrade-kernel-rt-optional
  • suse-upgrade-kernel-rt-vdso
  • suse-upgrade-kernel-rt_debug
  • suse-upgrade-kernel-rt_debug-devel
  • suse-upgrade-kernel-rt_debug-livepatch-devel
  • suse-upgrade-kernel-rt_debug-vdso
  • suse-upgrade-kernel-source
  • suse-upgrade-kernel-source-azure
  • suse-upgrade-kernel-source-rt
  • suse-upgrade-kernel-source-vanilla
  • suse-upgrade-kernel-syms
  • suse-upgrade-kernel-syms-azure
  • suse-upgrade-kernel-syms-rt
  • suse-upgrade-kernel-zfcpdump
  • suse-upgrade-kselftests-kmp-64kb
  • suse-upgrade-kselftests-kmp-azure
  • suse-upgrade-kselftests-kmp-default
  • suse-upgrade-kselftests-kmp-rt
  • suse-upgrade-ocfs2-kmp-64kb
  • suse-upgrade-ocfs2-kmp-azure
  • suse-upgrade-ocfs2-kmp-default
  • suse-upgrade-ocfs2-kmp-rt
  • suse-upgrade-reiserfs-kmp-64kb
  • suse-upgrade-reiserfs-kmp-azure
  • suse-upgrade-reiserfs-kmp-default
  • suse-upgrade-reiserfs-kmp-rt

References

  • https://attackerkb.com/topics/cve-2024-36013
  • CVE - 2024-36013
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  • 已创建
  • 最后回复

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