In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_codec: Fix leaking content of local_codecs
The following memory leak can be observed when the controller supports codecs which are stored in local_codecs list but the elements are never freed:
unreferenced object 0xffff88800221d840 (size 32): comm "kworker/u3:0", pid 36, jiffies 4294898739 (age 127.060s) hex dump (first 32 bytes): f8 d3 02 03 80 88 ff ff 80 d8 21 02 80 88 ff ff ..........!..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffffb324f557>] __kmalloc+0x47/0x120 [<ffffffffb39ef37d>] hci_codec_list_add.isra.0+0x2d/0x160 [<ffffffffb39ef643>] hci_read_codec_capabilities+0x183/0x270 [<ffffffffb39ef9ab>] hci_read_supported_codecs+0x1bb/0x2d0 [<ffffffffb39f162e>] hci_read_local_codecs_sync+0x3e/0x60 [<ffffffffb39ff1b3>] hci_dev_open_sync+0x943/0x11e0 [<ffffffffb396d55d>] hci_power_on+0x10d/0x3f0 [<ffffffffb30c99b4>] process_one_work+0x404/0x800 [<ffffffffb30ca134>] worker_thread+0x374/0x670 [<ffffffffb30d9108>] kthread+0x188/0x1c0 [<ffffffffb304db6b>] ret_from_fork+0x2b/0x50 [<ffffffffb300206a>] ret_from_fork_asm+0x1a/0x30
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Mar 2, 2024 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rtNo solution exists | Jul 25, 2024 | Mar 2, 2024 |
| Suse | — | Upgrade kernel-source-azureUpgrade kernel-rtUpgrade dtb-marvellUpgrade kernel-docs-htmlUpgrade kernel-rt_debug-vdsoUpgrade dlm-kmp-64kbUpgrade dtb-sprdUpgrade kernel-source-vanillaUpgrade kernel-kvmsmallUpgrade kernel-source-rtUpgrade dtb-amazonUpgrade kselftests-kmp-64kbUpgrade kernel-debug-livepatch-develUpgrade dtb-freescaleUpgrade ocfs2-kmp-64kbUpgrade dtb-appleUpgrade kernel-azure-optionalUpgrade dtb-rockchipUpgrade kernel-azure-livepatch-develUpgrade kernel-debug-vdsoUpgrade kernel-defaultUpgrade kernel-azure-develUpgrade kernel-rt-livepatch-develUpgrade dlm-kmp-defaultUpgrade dtb-caviumUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-devel-azureUpgrade kernel-rt-vdsoUpgrade kernel-default-develUpgrade dlm-kmp-rtUpgrade kernel-obs-buildUpgrade reiserfs-kmp-64kbUpgrade dtb-amlogicUpgrade kernel-rt_debugUpgrade dtb-lgUpgrade dtb-qcomUpgrade dtb-socionextUpgrade dtb-nvidiaUpgrade kernel-syms-rtUpgrade reiserfs-kmp-rtUpgrade dtb-broadcomUpgrade kselftests-kmp-azureUpgrade gfs2-kmp-azureUpgrade kernel-rt_debug-develUpgrade cluster-md-kmp-64kbUpgrade kernel-kvmsmall-vdsoUpgrade dtb-alteraUpgrade kernel-rt-extraUpgrade kernel-rt-optionalUpgrade kernel-default-livepatchUpgrade kernel-64kb-extraUpgrade gfs2-kmp-defaultUpgrade kernel-azureUpgrade kernel-default-base-rebuildUpgrade kernel-syms-azureUpgrade kernel-azure-extraUpgrade kernel-azure-vdsoUpgrade dtb-mediatekUpgrade kernel-kvmsmall-develUpgrade kernel-default-livepatch-develUpgrade kernel-default-vdsoUpgrade dtb-hisiliconUpgrade cluster-md-kmp-azureUpgrade kernel-debug-develUpgrade gfs2-kmp-rtUpgrade kernel-64kbUpgrade dlm-kmp-azureUpgrade kernel-symsUpgrade ocfs2-kmp-rtUpgrade kernel-default-extraUpgrade kernel-default-optionalUpgrade reiserfs-kmp-azureUpgrade dtb-renesasUpgrade dtb-armUpgrade cluster-md-kmp-defaultUpgrade kernel-rt-livepatchUpgrade kernel-macrosUpgrade kernel-docsUpgrade kernel-64kb-optionalUpgrade ocfs2-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade cluster-md-kmp-rtUpgrade dtb-amdUpgrade kernel-default-baseUpgrade kernel-obs-qaUpgrade kernel-rt-develUpgrade kernel-debugUpgrade kernel-64kb-develUpgrade reiserfs-kmp-defaultUpgrade dtb-xilinxUpgrade kernel-sourceUpgrade kernel-devel-rtUpgrade kernel-develUpgrade kernel-zfcpdumpUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-64kb-livepatch-develUpgrade dtb-exynosUpgrade dtb-apmUpgrade dtb-allwinnerUpgrade kselftests-kmp-rtUpgrade kselftests-kmp-defaultUpgrade gfs2-kmp-64kb | Apr 18, 2024 | Mar 2, 2024 |
| Ubuntu | — | Upgrade linux-gcpUpgrade linux-laptopUpgrade linux-gcp-6.5Upgrade linux-nvidia-6.5Upgrade linux-awsUpgrade linux-hwe-6.5Upgrade linux-oracleUpgrade linuxUpgrade linux-oracle-6.5Upgrade linux-oem-6.5Upgrade linux-raspiUpgrade linux-lowlatencyUpgrade linux-riscvUpgrade linux-lowlatency-hwe-6.5Upgrade linux-starfive | Nov 19, 2024 | Mar 2, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 14, 2025 | Mar 2, 2024 |
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