# CVE-2024-26879: linux: In the Linux kernel, the following vulnerability has been resolved:  clk: meson: Add missing clocks to axg_clk_regmap...

CVE-2024-26879 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-26879, released April 17, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-26879
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 17, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  clk: meson: Add missing clocks to axg_clk_regmaps  Some clocks were missing from axg_clk_regmaps, which caused kernel panic during cat /sys/kernel/debug/clk/clk_summary  [   57.349402] Unable to handle kernel NULL pointer dereference at virtual address 00000000000001fc ... [   57.430002] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [   57.436900] pc : regmap_read+0x1c/0x88 [   57.440608] lr : clk_regmap_gate_is_enabled+0x3c/0xb0 [   57.445611] sp : ffff800082f1b690 [   57.448888] x29: ffff800082f1b690 x28: 0000000000000000 x27: ffff800080eb9a70 [   57.455961] x26: 0000000000000007 x25: 0000000000000016 x24: 0000000000000000 [   57.463033] x23: ffff800080e8b488 x22: 0000000000000015 x21: ffff00000e7e7000 [   57.470106] x20: ffff00000400ec00 x19: 0000000000000000 x18: ffffffffffffffff [   57.477178] x17: 0000000000000000 x16: 0000000000000000 x15: ffff0000042a3000 [   57.484251] x14: 0000000000000000 x13: ffff0000042a2fec x12: 0000000005f5e100 [   57.491323] x11: abcc77118461cefd x10: 0000000000000020 x9 : ffff8000805e4b24 [   57.498396] x8 : ffff0000028063c0 x7 : ffff800082f1b710 x6 : ffff800082f1b710 [   57.505468] x5 : 00000000ffffffd0 x4 : ffff800082f1b6e0 x3 : 0000000000001000 [   57.512541] x2 : ffff800082f1b6e4 x1 : 000000000000012c x0 : 0000000000000000 [   57.519615] Call trace: [   57.522030]  regmap_read+0x1c/0x88 [   57.525393]  clk_regmap_gate_is_enabled+0x3c/0xb0 [   57.530050]  clk_core_is_enabled+0x44/0x120 [   57.534190]  clk_summary_show_subtree+0x154/0x2f0 [   57.538847]  clk_summary_show_subtree+0x220/0x2f0 [   57.543505]  clk_summary_show_subtree+0x220/0x2f0 [   57.548162]  clk_summary_show_subtree+0x220/0x2f0 [   57.552820]  clk_summary_show_subtree+0x220/0x2f0 [   57.557477]  clk_summary_show_subtree+0x220/0x2f0 [   57.562135]  clk_summary_show_subtree+0x220/0x2f0 [   57.566792]  clk_summary_show_subtree+0x220/0x2f0 [   57.571450]  clk_summary_show+0x84/0xb8 [   57.575245]  seq_read_iter+0x1bc/0x4b8 [   57.578954]  seq_read+0x8c/0xd0 [   57.582059]  full_proxy_read+0x68/0xc8 [   57.585767]  vfs_read+0xb0/0x268 [   57.588959]  ksys_read+0x70/0x108 [   57.592236]  __arm64_sys_read+0x24/0x38 [   57.596031]  invoke_syscall+0x50/0x128 [   57.599740]  el0_svc_common.constprop.0+0x48/0xf8 [   57.604397]  do_el0_svc+0x28/0x40 [   57.607675]  el0_svc+0x34/0xb8 [   57.610694]  el0t_64_sync_handler+0x13c/0x158 [   57.615006]  el0t_64_sync+0x190/0x198 [   57.618635] Code: a9bd7bfd 910003fd a90153f3 aa0003f3 (b941fc00) [   57.624668] ---[ end trace 0000000000000000 ]---  [jbrunet: add missing Fixes tag]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.85-1 | [DEBIAN-CVE-2024-26879](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26879.md) | Apr 17, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.7.12-1 | [DEBIAN-CVE-2024-26879](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26879.md) | Apr 17, 2024 |
| Linux | linux Debian 14 | 6.7.12-1 | [DEBIAN-CVE-2024-26879](https://patchblox.com/security/data/fix/linux/debian-cve-2024-26879.md) | Apr 17, 2024 |

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